[2008-05-07 16:17:17] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
[2008-05-07 16:17:36] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
[2008-05-07 16:21:20] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
[2008-05-07 16:28:49] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
[2008-05-07 16:31:23] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
[2008-05-07 16:31:37] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
[2008-05-07 16:31:38] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
[2008-05-07 16:38:01] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
[2008-05-07 17:28:51] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
[2008-05-07 17:28:53] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
[2008-05-07 17:29:48] System.Data.SqlClient.SqlException:  'ULastCaculaTime' Ч
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
    System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
    System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
    System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
    System.Data.SqlClient.SqlDataReader.get_MetaData()
    System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
    System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
    System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
    System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
    System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)
    System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)
    currency_db.GetDataTable(String Sql)
