void getColumnMappings ( DataTableMapping myTableMap ) {
   // get column mappings
   DataColumnMappingCollection myFieldsMaps = myTableMap.ColumnMappings;
   string myMessage = "Column Mappings:\n";

   for ( int i=0; i < myFieldsMaps.Count; i++ ) {
      myMessage += i.ToString ( ) + " " + myFieldsMaps [ ].ToString ( ) + "\n";
   }
   Response.Write ( myMessage );
}

Public Sub getColumnMappings ( ByVal myTableMap As DataTableMapping )
   ' get column mappings
   Dim myFieldsMaps As DataColumnMappingCollection = myTableMap.ColumnMappings
   Dim myMessage As String = "Column Mappings:" + ControlChars.Cr
   Dim i As Integer
   For i = 0 To myFieldsMaps.Count - 1
      myMessage += i.ToString ( ) + " " + myFieldsMaps ( i ).ToString ( ) + ControlChars.Cr
   Next i
   Response.Write ( myMessage )
End Sub