WHAT IS THE DIFFERENCE BETWEEN SYNCHRONOUS POSTBACK AND ASYNCHRONOUS POSTBACK?

Sumit Kesarwani

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Posted by  Sumit Kesarwani
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  1. Sumit Kesarwani

    Post:782

    Points:3910
    What is the difference between synchronous postback and asynchronous postback?

    The difference between synchronous and asynchronous postback is as follows:

    Asynchronous postback renders only the required part of the page; whereas, synchronous postback renders the entire page for any postback.

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

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