Hello
I new on phpgrid, but I am haveing an error on on_update,
Code is.. am im using master detail sub grid sample, with some mod. for test.
I try , forceing the value , but I am getting a red line when press save

Thanks

$g->set_options($grid);

$e["on_update"] = array("update_client", null, true);
$g->set_events($e);
function update_client($data)
{
$str = "UPDATE invheader set total=(select sum(qty*unit) from invlines where id = {$data["id"]} ) WHERE id = {$data["id"]};";
//$str = "UPDATE invheader set total=1 WHERE id = {$data["id"]};";

// echo $str;

$mysql_query($str);
// echo $str;
// continue normal grid update … by grid lib
}