using System;
using System.Data;
using System.Data.OracleClient;
using System.Collections;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Tcp;
using System.Threading;

namespace STMes
{
    /// <summary>
    /// DBManager 的摘要说明。
    /// </summary>
    public class DBManager : IDisposable
    {
        /// <summary>
        /// 初始化
        /// </summary>
        public DBManager()
        {
            InitDBManager("MesDB", "A");
        }

        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="dbName">数据库名称</param>
        public DBManager(string dbName)
        {
            InitDBManager(dbName, "A");
        }

        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="dbName">数据库名称</param>
        /// <param name="priority">优先级</param>
        public DBManager(string dbName, string priority)
        {
            InitDBManager(dbName, priority);
        }

        public void Dispose() { }

        /// <summary>
        /// 获取上次执行时最后一个错误信息，无错误则返回空字符串
        /// </summary>
        /// <returns>错误信息</returns>
        public string GetLastError()
        {
            return _errMsg;
        }

        /// <summary>
        /// 判断DBManager是否有效
        /// </summary>
        /// <returns>是否有效</returns>
        public bool IsValid()
        {
            return _valid;
        }

        /// <summary>
        /// 获取数据库类型，用字符串"SQLServer","Oracle", "OleDb"分别表示不同类型的数据库
        /// </summary>
        /// <returns>数据库类型</returns>
        public string GetDbType()
        {
            string dbType = "";
            try
            {
                dbType = _dbProxy.GetDbType(_dbName, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return dbType;
        }

        //获取数据库类型，用字符串"SQLServer","Oracle", "OleDb"分别表示不同类型的数据库
        public string GetDbType(out string err)
        {
            string dbType = "";
            err = "";
            try
            {
                dbType = _dbProxy.GetDbType(_dbName, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = err = ex.Message;
            }

            return dbType;
        }
        #region add 马亮 2011-10-21
        /// <summary>
        /// 分页返回查询数据[只支持Oracle数据库]
        /// </summary>
        /// <param name="sql"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <param name="recordCount"></param>
        /// <param name="pageCount"></param>
        /// <param name="err"></param>
        /// <returns></returns>
        public DataSet ExecuteDataPageQuery(string sql, int pageIndex, int pageSize, out int recordCount, out int pageCount, out string err)
        {
            DataPage dpage = new DataPage(_dbProxy, _dbName, _priority);
            dpage.InitDataPage(sql, pageIndex, pageSize);
            _valid = dpage._valid;
            _errMsg = dpage._errMsg;
            err = _errMsg;
            recordCount = dpage.RecordCount;
            pageCount = dpage.PageCount;
            return dpage.Result;
        }
        /// <summary>
        /// 分页返回查询数据[只支持Oracle数据库]
        /// </summary>
        /// <param name="sql"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <param name="Params"></param>
        /// <param name="Values"></param>
        /// <param name="recordCount"></param>
        /// <param name="pageCount"></param>
        /// <param name="err"></param>
        /// <returns></returns>
        public DataSet ExecuteDataPageQuery(string sql, int pageIndex, int pageSize, IDataParameter[] Params, object[] Values, out int recordCount, out int pageCount, out string err)
        {
            DataPage dpage = new DataPage(_dbProxy, _dbName, _priority);
            dpage.InitDataPage(sql, pageIndex, pageSize, Params, Values);
            _valid = dpage._valid;
            _errMsg = dpage._errMsg;
            err = _errMsg;
            recordCount = dpage.RecordCount;
            pageCount = dpage.PageCount;
            return dpage.Result;
        }
        #endregion

        //执行SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, Guid guid)
        {
            DataSet ds = null;

            try
            {
                ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql)
        {
            DataSet ds = null;

            try
            {
                ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }


        //执行SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, Guid guid, out string err)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, out string err)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }
        public DataSet ExecuteQuery(string Sql, out string err, bool ifDBLink)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out err, ifDBLink);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }

        //执行SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, CommandType cmdType, Guid guid)
        {
            DataSet ds = new DataSet();

            try
            {
                ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, CommandType cmdType)
        {
            DataSet ds = new DataSet();

            try
            {
                ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, cmdType, null, null, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }


        //执行SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, CommandType cmdType, Guid guid, out string err)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, CommandType cmdType, out string err)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, cmdType, null, null, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }


        //执行带参数的SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, IDataParameter[] Params, object[] Values, Guid guid)
        {
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ArrayList OutputValues = null;
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, IDataParameter[] Params, object[] Values)
        {
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ArrayList OutputValues = null;
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }


        //执行带参数的SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, Guid guid)
        {
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues)
        {
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }


        //执行带参数的SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, IDataParameter[] Params, object[] Values, Guid guid, out string err)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ArrayList OutputValues = null;
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out err);
                }
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, IDataParameter[] Params, object[] Values, out string err)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ArrayList OutputValues = null;
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out err);
                }
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }


        //执行带参数的SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, Guid guid, out string err)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out err);
                }
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, out string err)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out err);
                }
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }


        //执行带参数的SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, Guid guid)
        {
            DataSet ds = new DataSet();
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values)
        {
            DataSet ds = new DataSet();
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, cmdType, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }


        //执行带参数的SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, Guid guid)
        {
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues)
        {
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, cmdType, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return ds;
        }


        //执行带参数的SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, Guid guid, out string err)
        {
            err = "";
            DataSet ds = new DataSet();
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, out string err)
        {
            err = "";
            DataSet ds = new DataSet();
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, cmdType, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }


        //执行带参数的SQL语句，返回DataSet
        public DataSet ExecuteQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, Guid guid, out string err)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }

        public DataSet ExecuteQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, out string err)
        {
            err = "";
            DataSet ds = new DataSet();

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    ds = _dbProxy.ExecuteQuery(_dbName, _priority, Sql, cmdType, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return ds;
        }


        //执行SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, Guid guid)
        {
            int lines = -1;

            try
            {
                lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }

        public int ExecuteNonQuery(string Sql)
        {
            int lines = -1;

            try
            {
                lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }


        //执行SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, Guid guid, out string err)
        {
            err = "";
            int lines = -1;

            try
            {
                lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }
        public int ExecuteNonQuery(string Sql, out string err)
        {
            err = "";
            int lines = -1;

            try
            {
                lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }
        //执行SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, CommandType cmdType, Guid guid)
        {
            int lines = -1;

            try
            {
                lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }
        public int ExecuteNonQuery(string Sql, CommandType cmdType)
        {
            int lines = -1;

            try
            {
                lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, null, null, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }
        //执行SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, CommandType cmdType, Guid guid, out string err)
        {
            err = "";
            int lines = -1;

            try
            {
                lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }
        public int ExecuteNonQuery(string Sql, CommandType cmdType, out string err)
        {
            err = "";
            int lines = -1;

            try
            {
                lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, null, null, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }

        //执行带参数的SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, IDataParameter[] Params, object[] Values, Guid guid)
        {
            int lines = -1;
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }

        public int ExecuteNonQuery(string Sql, IDataParameter[] Params, object[] Values)
        {
            int lines = -1;
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }


        //执行带参数的SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, Guid guid)
        {
            int lines = -1;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }

        public int ExecuteNonQuery(string Sql, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues)
        {
            int lines = -1;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }


        //执行带参数的SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, IDataParameter[] Params, object[] Values, Guid guid, out string err)
        {
            err = "";
            int lines = -1;
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }

        public int ExecuteNonQuery(string Sql, IDataParameter[] Params, object[] Values, out string err)
        {
            err = "";
            int lines = -1;
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }


        //执行带参数的SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, Guid guid, out string err)
        {
            err = "";
            int lines = -1;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, CommandType.Text, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }

        public int ExecuteNonQuery(string Sql, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, out string err)
        {
            err = "";
            int lines = -1;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, CommandType.Text, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, CommandType.Text, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }


        //执行带参数的SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, Guid guid)
        {
            int lines = -1;
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }

        public int ExecuteNonQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values)
        {
            int lines = -1;
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }


        //执行带参数的SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, Guid guid)
        {
            int lines = -1;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }

        public int ExecuteNonQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues)
        {
            int lines = -1;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out _errMsg);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, null, null, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return lines;
        }


        //执行带参数的SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, Guid guid, out string err)
        {
            err = "";
            int lines = -1;
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }

        public int ExecuteNonQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, out string err)
        {
            err = "";
            int lines = -1;
            ArrayList OutputValues = null;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                    }

                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }


        //执行带参数的SQL语句，返回受影响的行数
        public int ExecuteNonQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, Guid guid, out string err)
        {
            err = "";
            int lines = -1;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];
                    int[] Sizes = new int[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        if (this.GetDbType().ToUpper() == "ORACLE")
                            DbTypes[i] = (DbType)(((OracleParameter)Params[i]).OracleType);
                        else
                            DbTypes[i] = Params[i].DbType;

                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                        if (this.GetDbType().ToUpper() == "ORACLE") Sizes[i] = ((OracleParameter)Params[i]).Size;
                    }
                    if (this.GetDbType().ToUpper() == "ORACLE")
                        lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Sizes, Values, ref OutputValues, out err);

                    else
                        lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, guid, Sql, cmdType, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }

        public int ExecuteNonQuery(string Sql, CommandType cmdType, IDataParameter[] Params, object[] Values, ref ArrayList OutputValues, out string err)
        {
            err = "";
            int lines = -1;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];
                    ParameterDirection[] Directions = new ParameterDirection[Params.Length];
                    bool[] IsNullables = new bool[Params.Length];
                    string[] SourceColumns = new string[Params.Length];
                    DataRowVersion[] SourceVersions = new DataRowVersion[Params.Length];
                    int[] Sizes = new int[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        if (this.GetDbType().ToUpper() == "ORACLE")
                            DbTypes[i] = (DbType)(((OracleParameter)Params[i]).OracleType);
                        else
                            DbTypes[i] = Params[i].DbType;

                        Directions[i] = Params[i].Direction;
                        IsNullables[i] = Params[i].IsNullable;
                        SourceColumns[i] = Params[i].SourceColumn;
                        SourceVersions[i] = Params[i].SourceVersion;
                        if (this.GetDbType().ToUpper() == "ORACLE") Sizes[i] = ((OracleParameter)Params[i]).Size;
                    }
                    if (this.GetDbType().ToUpper() == "ORACLE")
                        lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Sizes, Values, ref OutputValues, out err);

                    else
                        lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, ParameterNames, DbTypes, Directions, IsNullables, SourceColumns, SourceVersions, Values, ref OutputValues, out err);
                }
                else
                {
                    lines = _dbProxy.ExecuteNonQuery(_dbName, _priority, Sql, cmdType, null, null, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }


        //不通过DBServer时使用
        public int ExecuteNonQuery_NoDBSever(string Sql, CommandType cmdType, IDataParameter[] Params, Guid guid, out string err)
        {
            err = "";
            int lines = -1;

            try
            {
                lines = _dbProxy.ExecuteNonQuery_NoDBSever(_dbName, _priority, guid, Sql, cmdType, Params, out err);

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }

        public int ExecuteNonQuery_NoDBSever(string Sql, CommandType cmdType, IDataParameter[] Params, out string err)
        {
            err = "";
            int lines = -1;

            try
            {
                lines = _dbProxy.ExecuteNonQuery_NoDBSever(_dbName, _priority, Sql, cmdType, Params, out err);

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return lines;
        }

        //更新

        public bool UpdateTable(DataTable dt, string Sql, Guid guid)
        {
            bool result = false;

            try
            {
                result = _dbProxy.UpdateTable(_dbName, _priority, guid, Sql, CommandType.Text, null, null, dt, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return result;
        }
        public bool UpdateTable(DataTable dt, string Sql)
        {
            bool result = false;

            try
            {
                result = _dbProxy.UpdateTable(_dbName, _priority, Sql, CommandType.Text, null, null, dt, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return result;
        }

        public bool UpdateTable(DataTable dt, string Sql, Guid guid, out string err)
        {
            err = "";

            bool result = false;

            try
            {
                result = _dbProxy.UpdateTable(_dbName, _priority, guid, Sql, CommandType.Text, null, null, dt, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return result;
        }

        public bool UpdateTable(DataTable dt, string Sql, out string err)
        {
            err = "";

            bool result = false;

            try
            {
                result = _dbProxy.UpdateTable(_dbName, _priority, Sql, CommandType.Text, null, null, dt, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return result;
        }
        public bool UpdateTable(DataTable dt, string Sql, IDataParameter[] Params, object[] Values, Guid guid)
        {
            bool result = false;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                    }

                    result = _dbProxy.UpdateTable(_dbName, _priority, guid, Sql, CommandType.Text, ParameterNames, DbTypes, Values, dt, out _errMsg);
                }
                else
                {
                    result = _dbProxy.UpdateTable(_dbName, _priority, guid, Sql, CommandType.Text, null, null, null, dt, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return result;
        }

        public bool UpdateTable(DataTable dt, string Sql, IDataParameter[] Params, object[] Values)
        {
            bool result = false;

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                    }

                    result = _dbProxy.UpdateTable(_dbName, _priority, Sql, CommandType.Text, ParameterNames, DbTypes, Values, dt, out _errMsg);
                }
                else
                {
                    result = _dbProxy.UpdateTable(_dbName, _priority, Sql, CommandType.Text, null, null, null, dt, out _errMsg);
                }
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return result;
        }

        public bool UpdateTable(DataTable dt, string Sql, IDataParameter[] Params, object[] Values, Guid guid, out string err)
        {
            bool result = false;
            err = "";

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                    }

                    result = _dbProxy.UpdateTable(_dbName, _priority, guid, Sql, CommandType.Text, ParameterNames, DbTypes, Values, dt, out err);
                }
                else
                {
                    result = _dbProxy.UpdateTable(_dbName, _priority, guid, Sql, CommandType.Text, null, null, null, dt, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = err = ex.Message;
            }

            return result;
        }
        public bool UpdateTable(DataTable dt, string Sql, IDataParameter[] Params, object[] Values, out string err)
        {
            bool result = false;
            err = "";

            try
            {
                //给所有的参数赋值
                if (Params != null && Values != null)
                {
                    string[] ParameterNames = new string[Params.Length];
                    DbType[] DbTypes = new DbType[Params.Length];

                    for (int i = 0; i < Params.Length; i++)
                    {
                        ParameterNames[i] = Params[i].ParameterName;
                        DbTypes[i] = Params[i].DbType;
                    }

                    result = _dbProxy.UpdateTable(_dbName, _priority, Sql, CommandType.Text, ParameterNames, DbTypes, Values, dt, out err);
                }
                else
                {
                    result = _dbProxy.UpdateTable(_dbName, _priority, Sql, CommandType.Text, null, null, null, dt, out err);
                }

                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = err = ex.Message;
            }

            return result;
        }



        public Guid BeginTransaction(out string err)
        {
            return BeginTransaction("", out err);
        }
        //开始处理事物，返回结果表示是否成功
        public Guid BeginTransaction(string methodName, out string err)
        {
            err = "";
            Guid guid = Guid.NewGuid();
            try
            {
                guid = _dbProxy.BeginTransaction(methodName, _dbName, _priority, _dbManagerID, 20.00, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return guid;
        }

        public Guid BeginTransaction(double minutes, out string err)
        {
            return BeginTransaction("", minutes, out err);
        }
        //开始处理事物，指定事务最长执行时间, 返回结果表示是否成功
        public Guid BeginTransaction(string methodName, double minutes, out string err)
        {
            err = "";
            Guid guid = Guid.NewGuid();

            try
            {
                guid = _dbProxy.BeginTransaction(methodName, _dbName, _priority, _dbManagerID, minutes, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return guid;
        }

        //提交当前事物，返回结果表示是否成功
        public bool Commit(Guid guid)
        {
            bool bSuccess = false;

            try
            {
                bSuccess = _dbProxy.Commit(_dbName, _priority, guid, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return bSuccess;
        }

        //提交当前事物，返回结果表示是否成功
        public bool Commit(Guid guid, out string err)
        {
            err = "";
            bool bSuccess = false;

            try
            {
                bSuccess = _dbProxy.Commit(_dbName, _priority, guid, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return bSuccess;
        }

        //回滚当前事务
        public bool Rollback(Guid guid)
        {
            bool bSuccess = false;

            try
            {
                bSuccess = _dbProxy.Rollback(_dbName, _priority, guid, out _errMsg);
            }
            catch (Exception ex)
            {
                _valid = false;
                _errMsg = ex.Message;
            }

            return bSuccess;
        }

        //回滚当前事务
        public bool Rollback(Guid guid, out string err)
        {
            err = "";
            bool bSuccess = false;

            try
            {
                bSuccess = _dbProxy.Rollback(_dbName, _priority, guid, out err);
                _errMsg = err;
            }
            catch (Exception ex)
            {
                _valid = false;
                err = _errMsg = ex.Message;
            }

            return bSuccess;
        }

        ////////////////////////////////////////////////////////////////////////////////////
        ///私有函数
        ///////////////////////////////////////////////////////////////////////////////////

        //初始化DBManager
        private void InitDBManager(string name, string priority)
        {
            //保存数据库信息
            _dbName = name;
            _priority = priority;
            _errMsg = "";
            _valid = true;

            //如果是第一次创建DBManager对象，则需先读取远程处理配置文件		
            if (_firstCreate)
            {
                try
                {
                    //读取远程处理配置文件clientConfig.cfg
                    //RemotingConfiguration.Configure("clientConfig.cfg");
                    //生成DBProxy对象
                    _dbProxy = new DBProxy();
                    _firstCreate = false;
                }
                catch (Exception ex)
                {
                    _errMsg = ex.Message;
                    _valid = false;
                    throw ex;
                }
            }

            try
            {
                //获取由DBProxy为DBManager对象分配的ID
                _dbManagerID = _dbProxy.GetDBManagerID();

                //设置数据库信息
                _dbProxy.SetDbInfo(_dbManagerID, _dbName, _priority);
            }
            catch (Exception ex)
            {
                _errMsg = ex.Message;
                _valid = false;
            }
        }

        //////////////////////////////////////////////////////////////////////////////////
        ///私有数据成员
        //////////////////////////////////////////////////////////////////////////////////

        public static DBProxy _dbProxy;

        private long _dbManagerID;//DBProxy为DBManager对象分配的ID

        private string _dbName;//数据库名称

        private string _priority;//数据库访问优先级

        private string _errMsg;//最后一个错误信息

        private bool _valid;//DBManager有效标志，每次调用DBProxy函数时设置

        private static bool _firstCreate = true;

        //////////////////////////////////////////////////////////////////////////////////
        ///公共属性
        //////////////////////////////////////////////////////////////////////////////////

        //数据库名称
        public string DBName
        {
            get
            {
                return _dbName;
            }
            set
            {
                _dbName = value;
            }
        }

        //数据库访问优先级
        public string Priority
        {
            get
            {
                return _priority;
            }
            set
            {
                _priority = value;
            }
        }
    }
}