Stop the ModalPopup panel disappearing (ModalPopupExtender shown) when changing text field text (TextChanged event triggered by AutoPostback)

Question

I have an html table inside the control panel. It will be displayed using ModalPopupExtender by clicking the LinkButton link.

inside the panel there is a text field in which its "AutoPostBack" property is Ture, and when the user enters a value into it, the TextChanged event is fired, but, unfortunately, the panel also disappears .....

what's wrong?

Answer 1

Try to place the update panel inside the modal panel

Answer 2

, , , , , OkControlID ModalPopupExtender