When we do partial refresh of a page using update panel how server knows it(wh

When we do partial refresh of a page using update panel how
server knows it(which event occurs?)

Question Posted / divyaanumod

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When we do partial refresh of a page using update panel how server knows it(which event occurs?)..

Answer / rajesh

server knows the occured event by triggers in updatepanel

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When we do partial refresh of a page using update panel how server knows it(which event occurs?)..

Answer / sivaprasad

PageRequest Manager in the page will maintain the
collection of controls that are registered as triggers in
any update panel inside page.it will check weather the
request is happened by a control with in the collection
then it will make request as partial post back.

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