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What Is The Difference Between Synchronous Postback And Asynchronous Postback?

Answer»

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.

The difference between synchronous and asynchronous postback is as follows:



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