ASP.NET 4 Unleashed

Using the UpdatePanelAnimation Control

The final Toolkit control that we need to discuss in this chapter is the UpdatePanelAnimation extender control. This control can play an animation both when an UpdatePanel is initiating an asynchronous postback and when postback results are returned from the web server.

Performing some type of animation while an UpdatePanel is performing an asynchronous postback provides the user with a way to know that your web application hasn’t frozen. The animation indicates that some work is being done in the background.

Note

In the previous chapter, we discussed the UpdateProgress control, which enables you to display a busy wait indicator while an UpdatePanel performs an asynchronous postback. In my opinion, ...