C# – Debugging Silverlight in Visual Studio 2010

I have an MVC application which uses a silverlight control.

Somewhere along the line something is happening in the silverlight cs code that isn't right. I've inserted break points in the CS silverlight code to get a better idea of what's happening, but for some reason I just can't step through the code.

I know code is being hit, but it's just not showing me in the debugger.

I thought it might be because I was using Chrome as the default browser but I changed this to Internet Explorer and still no joy.

I realize this is a very vague question, but has anyone else experience anything similar, and if so, how did you get around it?

Any help would be appreciated,

Thanks.