private void AddAutoIncrementColumn ( ) {
   DataColumn myColumn = new DataColumn ( );
   myColumn.DataType = System.Type.GetType ( "System.Int32" );

   myColumn.AutoIncrement = true;
   myColumn.AutoIncrementSeed = 1000;
   myColumn.AutoIncrementStep = 10;

   // add the column to a new DataTable.
   DataTable myTable = new DataTable ( "MyTable" );
   myTable.Columns.Add ( myColumn );
}

Private Sub AddAutoIncrementColumn ( )
   Dim myColumn As DataColumn = New DataColumn
   myColumn.DataType = System.Type.GetType ( "System.Int32" )
   With MyColumn
      .AutoIncrement = True
      .AutoIncrementSeed = 1000
      .AutoIncrementStep = 10
   End With
   ' add the column to a new DataTable.
   Dim myTable As New DataTable ( "MyTable" )
   myTable.Columns.Add ( myColumn )
End Sub