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Invalid postback or callback argument

chaitrak chaitrak is offline
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Join Date: Jun 2007
Posts: 1
I am facing problem with .Net Callback, I had implemented ICallbackEventHandler in a page to populate child dropdownlist.
Child dropdownliat will be populated when parent dropdropdownlist selection changed. I am able to populate dropdownlist at a client side, but those data can't able to get at server side.
Is any way to get child data on server side using this Callback methodology.

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