Chapter 26. Adding Ajax Functionality

IN THIS CHAPTER

What Is Ajax?

Microsoft’s ASP.NET AJAX

Adding Ajax Functionality to a Web Form

Using the AJAX Library

Checkpoint

What Is Ajax?

The underlying architecture of web applications has always posed a problem with usability. Whenever a user performs an action on a web page that requires a postback to the web server, data from all form fields is sent over the network, the page goes blank, and the browser sits in limbo waiting for the web server to send the response. In a typical ASP.NET scenario, where a postback reloads the same page after the server processes the data, the speed of the application can be sacrificed because the entire page has to reload each time it’s posted back.

Ajax (Asynchronous ...

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