No sorry, but it is not currently possible to use Silverlight with Visual COBOL web applications.

The Visual COBOL .NET runtime/support assemblies will not load in a Silverlight environment due to the fact this is not a standard CLR (CoreCLR) and its base class library is different.

I don't believe that there are any plans to support Silverlight at the moment but if this is incorrect then perhaps someone from Product Management can correct me?

Thanks.