Explain synchronous postback and asynchronous postback, DOT NET Programming

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What is the difference among synchronous postback and asynchronous postback?

The difference between synchronous and asynchronous postback is as follows:

Asynchronous postback renders only the needed part of the page; whereas, synchronous postback renders the whole page for any postback.

Asynchronous postback implements only one postback at a time, that is, if you have two buttons doing asynchronous postback, the actions will be performed one by one; whereas, synchronous postback executes all the actions at once.

Asynchronous postback only changes the update panel that raises the postback; whereas, synchronous postback modifies the entire page.

 


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