Problem: Cannot add WCF service reference in Silverlight 2 Beta 2 application, it says "Object not set to an instance...".
Reason: A pervious dll was not replaced when installing SL2B2, Dll Name: Microsoft.VisualStudio.ServicesProxy.dll.
Correct version:
Version: 9.0.21022.108
Size: 36.0 KB
Incorrect version:
Version: 9.0.21116.54
Size: 56.0 KB
Solution:
1. Uninstall all components related to Silverlight 2, including Deep Zoom Componser, Blend and encoders.
2. Remove C:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\Microsoft.VisualStudio.ServicesProxy.dll
3. Reinstall Silverlight 2 Beta2 Tools again.