Microsoft’s server-side AJAX framework consists of one main control:
UpdatePanel control enables you to update a portion of a page without updating the entire page. In other words, it enables you to perform partial-page rendering.
Let’s start with a super-simple example of a page that uses the
UpdatePanel control. The page in Listing 38.1 contains a
ScriptManager control and an
UpdatePanel control. The
UpdatePanel control contains a single
Button control. When you click the button, only the content contained in the
UpdatePanel control is refreshed (see Figure 38.3).
Figure 38.3. Using the
The page in Listing 38.1 displays the current ...