ASP.NET

// called this in button click event

private void tablenew()
    {
        Table table1 = new Table();
        table1.ID = "tab";
        Page.Form.Controls.Add(table1);
        for (int i = 0; i < 1; i++)
        {
            TableRow row = new TableRow();
            for (int j = 0; j < 4; j++)
            {
                TableCell cell = new TableCell();
                Button lbl1 = new Button();
                lbl1.ID = "butn_" + i + "_" + j;
                TextBox lbl = new TextBox();
                lbl.ID = "TextBox_" + i + "_" + j;
                cell.Controls.Add(lbl);
                cell.Controls.Add(lbl1);
                lbl1.Text = "Button";
                lbl1.OnClientClick = "Btn_click";
                row.Cells.Add(cell);
            }
            table1.Rows.Add(row);
        }
    }