I tested your scenario but I was not able to reproduce the problem. Please open a support ticket and send a simple runnable project demonstrating it. We will debug it on our side in order to find the cause.
TRY TELERIK'S NEWEST PRODUCT - EQATEC APPLICATION ANALYTICS for SILVERLIGHT.
Learn what features your users use (or don't use) in your application. Know your audience. Target it better. Develop wisely.
Sign up for Free application insights >>