How to fix updating problems in your Silverlight application
The Problem: You make changes to your Silverlight Application, but you do not see it reflected when you debug or run the solution.
The Cause: While the web project portion of the solution is being compiled and run, the Silverlight project is not being built. This just happened to me recently. Visual Studio crashed and somehow the Silverlight project portion of the solution decided to remove itself from the build list.
The Solution: Right-Click on the solution, then select “Configuration manager”. Make sure that the “Build” checkbox is selected for both projects. That’s it!
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