IColumnMappingCollection.RemoveAt Method
Removes the IColumnMapping object with the specified SourceColumn name from the collection.
[Visual Basic] Sub RemoveAt( _ ByVal sourceColumnName As String _ ) [C#] void RemoveAt( string sourceColumnName ); [C++] void RemoveAt( String* sourceColumnName ); [JScript] function RemoveAt( sourceColumnName : String );
Parameters
- sourceColumnName
- The case-sensitive SourceColumn name.
Exceptions
| Exception Type | Condition |
|---|---|
| IndexOutOfRangeException | A DataColumnMapping object does not exist with the specified SourceColumn name. |
Example
[Visual Basic, C#, C++] The following example searches for an instance of the derived class, DataColumnMapping, with the given SourceColumn name within a DataColumnMappingCollection collection. If the DataColumnMapping exists, the mapping is removed. This example assumes that a DataColumnMappingCollection collection has been created.
[Visual Basic] Public Sub RemoveDataColumnMapping() ' ... ' create myColumnMappings ' ... If myColumnMappings.Contains("Picture") Then myColumnMappings.RemoveAt("Picture") End If End Sub [C#] public void RemoveDataColumnMapping() { // ... // create myColumnMappings // ... if (myColumnMappings.Contains("Picture")) myColumnMappings.RemoveAt("Picture"); } [C++] void RemoveDataColumnMapping() { // ... // create myColumnMappings // ... if (myColumnMappings->Contains("Picture")) myColumnMappings->RemoveAt("Picture"); }
[JScript] No example is available for JScript. To view a Visual Basic, C#, or C++ example, click the Language Filter button
in the upper-left corner of the page.
Requirements
Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, .NET Compact Framework
See Also
IColumnMappingCollection Interface | IColumnMappingCollection Members | System.Data Namespace