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Q: 

Check Page PostBack in Customized Server Control

I'm creating an extended combobox server control by extending normal combobox. Inside prerender event, i am binding it with some data. I have achieved this successfully.

Now i want to check whether the page that contains this control has been post-backed or partially post-backed. In fact I want to stop other instances of the same control to get loaded again & again on postback of any other instances.

Thanks Akif

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