AJAX :: Modalpopupextender And Update Panel - Disable Controls?

Jan 25, 2010

I have a webpage that contains a ModalPopupExtender who's PopupControlID contains a panel wrapped in an update panel. The panel contains a RadioButtonList and I have subscribed to the SelectedIndexChanged event in which I am setting an OnClientClick event for a button also inside the panel and update panel. My problem is that when the postback fires the controls in the panel are still enabled, that is the user can click the button before it has had a chance to set the OnClientClick code. Other update panels on this page (unrelated to the ModalPopup) seem to disable to use of other controls while the postback is occurring. How can I make this work in my ModalPopupExtender?

Here is my code

[Code]....

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