DataColumnCollection.IndexOf Method

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System.Data Namespace DataColumnCollection Class

Returns the index of the specified DataColumn.

Returns the index of a specified DataColumn object.

[ VB ] Overloads Overridable Public Function IndexOf ( DataColumn ) As Integer

[ C# ] public virtual int IndexOf ( DataColumn );

[ C++ ] public: virtual int IndexOf ( DataColumn* );

[ JScript ] public function IndexOf ( DataColumn ) : int;

Returns the index of a DataColumn with the specified name.

[ VB ] Overloads Public Function IndexOf ( String ) As Integer

[ C# ] public int IndexOf ( string );

[ C++ ] public: int IndexOf ( String* );

[ JScript ] public function IndexOf ( String ) : int;

The following example returns the index of a named column in a DataColumnCollection.

NOTE: This example uses one of the overloaded versions of IndexOf. For other examples that may be available, see the individual overload topics.

private void GetIndexes ( DataTable myTable ) {
   DataColumnCollection myCols = myTable.Columns;
   // get the index of the column named "City", if it exists.
   if ( myCols.Contains ( "City" ) ) {
      Response.Write ( myCols.IndexOf ( "City" ) );
   }
}

Private Sub GetIndexes ( ByVal myTable As DataTable )
   Dim myCols As DataColumnCollection = myTable.Columns
   ' get the index of the column named "City", if it exists.
   If myCols.Contains ( "City" ) Then
      Response.Write ( myCols.IndexOf ( "City" ) )
   End If
End Sub

C#

VB

DataColumnCollection Members

Friday, January 10, 2025

DataColumnCollection.IndexOf Method

Overload List

Example

See Also