ASP.NET 2.0 Callbacks

Web sites are based on a client-server model. While the client (usually a browser) can use client-side script such as JavaScript to do simple tweaking of existing data, getting new data requires a request to the server. The server does the heavy processing and makes a response back, which redraws the entire Web page. Most development required these interactions to be atomic so that each request to the server returns a completely new page.<p><a more</a></p>

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