adding a table to a form refering to a master page

hi all,
I need to add a table to a web form, however, this form is in a page that refers to a master page. When I try:
            Label myLabel = new Label();
            myLabel.Text = "AAA";
            TableRow myTableRow = new TableRow();
            myTable.Rows.Add(myTableRow);
            TableCell myTableCell = new TableCell();
            myTableCell.Controls.Add(myLabel);
            myTableRow.Cells.Add(myTableCell);
            this.Form.Controls.Add(myTable);
I get the table added after ...