Explain UpdatePanel control
Briefly explain about the UpdatePanel control.
Expert
UpdatePanel control specifies portions of the Web page which can be updated together. UpdatePanel control refreshes only the selected part of a Web page instead of refreshing whole page with the postback, we get more flexibility to make rich and client-centric Web applications.
Refreshing the selected part of a Web page is referred as the partial-page update. We can add one or more UpdatePanel control in a Web page that automatically participates in the partial-page update without the custom client script. UpdatePanel control uses UpdatePanel class to support a partial-page rendering.
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