I am assuming that this is after a post operation. If it's JavaScript, I think the question should be directed to another list. So, if you group the elements that should be validated after the checkbox has been checked, you can activate/deactivate the group validation rules based on the state of the checkbox. Makes sense? Regards, Torgny Uroš Gruber wrote: > Hi! > > I have one checkbox. I checkbox is checked I show additional fields > (just set visiblity to true). But some of that fields are required > only if this checkbox is checked. Is this possible with quick_form. I > try myself with grouping but without any luck. > > regards > > Uros > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php