How To Know Which UpdatePanel Causes The Partial PostBack

Jan 31, 2011

In a page contains two UpdatePanels, How can I know which UpdatePanel causes the partial PostBack ?

I mean in the Page_Load event handler.

This is my code:

[Code]....

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[Code]....

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[Code]....

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[Code].....

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[Code] .....

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[URL]

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[Code]....

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[Code]....

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[Code]....

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[Code]....

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[Code]....

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