When a typical ASP.NET page needs to be refreshed from the server, it triggers a complete page refresh. The result is a slight delay and a flicker of the page. Wouldn't it be great if your page had the ability to submit only the section that needed to be updated, and it subsequently only needed to refresh that section? The AJAX Extensions in the ASP.NET Web Forms framework gives your web pages the ability to perform partial page updates. In this lesson I teach you how to use all of the controls included as part of the AJAX Extensions.
The controls that are included in the AJAX Extensions are located in the AJAX Extensions tab of the Toolbox. Figure 24A-1 shows the list of AJAX Extensions.
Figure 24A.1. FIGURE 24A-1
This is information about each of the controls:
ScriptManager — This control ...