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Silverlight 4 in Action by Pete Brown

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Chapter 13. Input validation

In chapter 11, we covered binding. In chapter 12, I mentioned that I believe binding to be one of the single most important topics for Silverlight developers. Another reason for that is because all the validation approaches covered in this chapter build directly on the binding system.

Validation is something almost every nontrivial application with a TextBox will need to do at some point. Often, we punt and do simple checking in the code-behind. But, if you want to truly leverage binding, take advantage of patterns such as the ViewModel ...

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