The ASP.NET AJAX server controls consist of server and client code that integrate to produce AJAX-like behavior. The following list describes the most frequently used ASP.NET AJAX server controls.
- ScriptManager
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Manages script resources for client components, partial-page rendering, localization, globalization, and custom user scripts. The ScriptManager control is required in order to use the UpdatePanel, UpdateProgress, and Timer controls.
- UpdatePanel
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Enables you to refresh selected parts of the page, instead of refreshing the whole page by using a synchronous postback.
- UpdateProgress
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Provides status information about partial-page updates in UpdatePanel controls.
- Timer
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Performs postbacks at defined intervals. You can use the Timer control to post the whole page, or use it together with the UpdatePanel control to perform partial-page updates at a defined interval.
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