Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / SqlClient / SqlBulkCopyColumnMapping.cs / 1305376 / SqlBulkCopyColumnMapping.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- // Todo: rename the file // Caution! ndp\fx\src\data\netmodule\sources needs to follow this change namespace System.Data.SqlClient { using System; using System.Data; using System.Data.Common; using System.Data.SqlTypes; using System.ComponentModel; using System.Collections; using System.Diagnostics; // ------------------------------------------------------------------------------------------------- // this class helps allows the user to create association between source- and targetcolumns // // public sealed class SqlBulkCopyColumnMapping { internal string _destinationColumnName; internal int _destinationColumnOrdinal; internal string _sourceColumnName; internal int _sourceColumnOrdinal; // devnote: we don't want the user to detect the columnordinal after WriteToServer call. // _sourceColumnOrdinal(s) will be copied to _internalSourceColumnOrdinal when WriteToServer executes. internal int _internalDestinationColumnOrdinal; internal int _internalSourceColumnOrdinal; // -1 indicates an undetermined value public string DestinationColumn { get { if (_destinationColumnName != null) { return _destinationColumnName; } return string.Empty; } set { _destinationColumnOrdinal = _internalDestinationColumnOrdinal = -1; _destinationColumnName = value; } } public int DestinationOrdinal { get { return _destinationColumnOrdinal; } set { if (value >= 0) { _destinationColumnName = null; _destinationColumnOrdinal = _internalDestinationColumnOrdinal = value; } else { throw ADP.IndexOutOfRange(value); } } } public string SourceColumn { get { if (_sourceColumnName != null) { return _sourceColumnName; } return string.Empty; } set { _sourceColumnOrdinal = _internalSourceColumnOrdinal = -1; _sourceColumnName = value; } } public int SourceOrdinal { get { return _sourceColumnOrdinal; } set { if (value >= 0) { _sourceColumnName = null; _sourceColumnOrdinal = _internalSourceColumnOrdinal = value; } else { throw ADP.IndexOutOfRange(value); } } } public SqlBulkCopyColumnMapping () { _internalSourceColumnOrdinal = -1; } public SqlBulkCopyColumnMapping (string sourceColumn, string destinationColumn) { SourceColumn = sourceColumn; DestinationColumn = destinationColumn; } public SqlBulkCopyColumnMapping (int sourceColumnOrdinal, string destinationColumn) { SourceOrdinal = sourceColumnOrdinal; DestinationColumn = destinationColumn; } public SqlBulkCopyColumnMapping (string sourceColumn, int destinationOrdinal) { SourceColumn = sourceColumn; DestinationOrdinal = destinationOrdinal; } public SqlBulkCopyColumnMapping (int sourceColumnOrdinal, int destinationOrdinal) { SourceOrdinal = sourceColumnOrdinal; DestinationOrdinal = destinationOrdinal; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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