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I have an ascx control loaded inside a panel tied to a modal pop up panel extender.
The problem is that an action triggered by the ascx control causes a postback; when the postback completes, the panel controlled by the modal popup extender which contains the custom ascx control disappears.
It is merely hidden though with it’s default
display:none
style attributes.
Does anyone know how to remedy this?
Few guesses – if you are loading the control dynamically in the panel then you should load in every post-back including partial post-back. Another issue can be check if Visible property of Panel or its parent is getting set to false accidentally when post-back occurs.