function DTUpdate() {
	var num = $('#idtbl').handsontable("countRows");
	x = $('#idtbl').handsontable("getDataAtCell", 0, 0);

	if (x != null) {
		for (var i = 0; i < num - 1; i++) {
			x = $('#idtbl').handsontable("getDataAtCell", i, 0);
			y = $('#idtbl').handsontable("getDataAtCell", i, 1);
			z = $('#idtbl').handsontable("getDataAtCell", i, 2);
			if (x != null && y != null) {
				serialasd = x.toString();
				comp = y.toString();
				pdt = z.toString();
				$('[name=SN_' +  ( 1 + i ) + ']').val(serialasd);
				$('[name=SNCmp_' +  ( 1 + i ) + ']').val(comp);
				$('[name=SNCom_' +  ( 1 + i ) + ']').val(pdt);
			} else {
				alert('Skipped adding serial number for row: ' + i + '. Please review the data and try to save again.' );
				break;
			}
		}
	}
}