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Check the fourth of 8 videos by Ken Cox about the development of CRUD application using Silverlight and Visual Basic.NET.
Episode 4, 'U is for Update' takes you through validating user input, handling button clicks, saving data changes back to the database, and canceling changes. The screencast shows how to use the PropertyChanged event with more examples of wedging your own code into generated partial classes..
Note: The previous episodes are prerequisites: Episode 1, Episode 2, Episode 3
The full source code is available for download from here.
Please, give your valuable feedback about the video by leaving a comment. Thank you for watching and stay tuned for episode 5!