Using the BusyIndicator Control
It's always a good idea to let the user know that the application is busy retrieving or submitting data. Usually, you can do this by providing an animation that runs while the communication is being completed. You can design your own animation or take advantage of the BusyIndicator control (a part of the Silverlight Toolkit), which provides a simple message and animation for you, as shown in Figure 6-10. This control (in source form) has already been included in your project by the Silverlight Business Application project template and is implemented in the user login and registration functions.
Figure 6-10. ...
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