Project A can't reference a class in Project B

Question

So in my solution I\'ve got two projects. A and B.

In project A (My views project), I\'ve added an assembly reference pointing

Answer 1

When you add a reference in your XAML, try to Rebuild your project once to recompile everything and to incorporate the referenced project and to make any new controls available. It is necessary when a file or a dependency has been changed, or even with no reason. But it will solve your issue.