Hour 18. Using Data Binding and Validation

In the previous hour, you learned how to create a Windows Presentation Foundation (WPF) application and saw how WPF enables you to cleanly separate the user interface portion of an application from the business logic. You learned how to handle events raised by the user interface so that your application does something other than look nice. Although controlling user input can be accomplished through careful user interface design, it is also common to validate that input to ensure the information entered is correct. In addition to accepting and validating user input, applications ...

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