I have a listbox (lstItems) that I want to populate with the items in
another listbox (lstSelected) that's in a modalpopupextender. The update is
supposed to happen when I close the modalpopup so I tried to add a trigger
for the click event of the ok button but it seems this event is not fired
anymore on serverside when it's used as the OnOkControlID for the
Anyone know how to slove this?