Beginning Web Development, Silverlight, and ASP.NET AJAX

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CHAPTER 12 ■ AJAX EXTENSIONS FOR ASP.NET
Figure 12-9. ASP.NET application using Ajax
Building a Simple Ajax Application with ASP.NET
Now, the example of adding two numbers is all very good, but how does ASP.NET AJAX
stack up when writing a more typical ASP.NET page—for example, one that uses a
DataGrid to bind to a back-end data source
■Note If you are amending an existing ASP.NET application to use Ajax, you should remember that some
changes to your Web.config file will need to be made to reference the AJAX libraries. A good shortcut is to
create a new ASP.NET AJAX application and copy the information from its Web.config file.
Let’s put this together now. First, create a new web form and add a SqlDataSource
control to it. Open the SqlDataSource Tasks pane, as shown in Figure 12-10.
Figure 12-10. Adding a SqlDataSource to an Ajax application