System.Data.Common Namespace   DataColumnMappingCollection Class

Removes the DataColumnMapping with the given SourceColumn name from the collection.

[ VB ]
NotOverridable Overloads Public Sub RemoveAt ( _
   ByVal sourceColumn As String _
) Implements IColumnMappingCollection.RemoveAt

[ C# ]
public void RemoveAt (
   string sourceColumn
);

[ C++ ]
public: __sealed void RemoveAt (
   String* sourceColumn
);

[ JScript ]
public function RemoveAt (
   sourceColumn : String
);

sourceColumn

The case-sensitive name of a SourceColumn to find.

IColumnMappingCollection.RemoveAt

The following example first uses the Contains method to find a DataColumnMapping with the specified source column name within the ColumnMappings collection of a specifed DataTableMapping object. If the mapping exists, the example removes it.

public void SearchColumnMappings ( DataTableMapping myTableMap ) {
   DataColumnMappingCollection myFieldsMaps = myTableMap.ColumnMappings;
   if ( myFieldsMaps.Contains ( "Picture" )
      myFieldsMaps.RemoveAt ( "Picture" );

}

Public Sub SearchColumnMappings ( ByVal myTableMap As DataTableMapping )
   Dim myFieldsMaps As DataColumnMappingCollection = myTableMap.ColumnMappings
   If myFieldsMaps.Contains ( "Picture" ) Then
      myFieldsMaps.RemoveAt ( "Picture" );
   End If
End Sub

DataColumnMappingCollection Members   DataColumnMappingCollection.RemoveAt Overload List