AJAX :: ModalPopupExtender Warning On DropDownList Selection?

Nov 12, 2010

Is there a way that if certain items are selected in a DropDownList to fire up a ModalPopupBox. Basically if any value except for one value is selected, I want a popup warning them, are you sure?

I have the Popup Frame, I have the Popup Extender. I just don't know how to wire the two together using the TargetControlID. I don't want the popup to just automatically come up when the dropdownlist is selected but only if its not value "X".

I figured instead of doing this in parallel, I could check it after the fact when the form is posted using the extender.show() command but my program is crashing because the targetcontrolid for my modalpopupextender is null. I don't have a targetcontrolID in that case?

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