I have a small WPF application which used to compile just fine but is not anymore. I can\'t really say at which point it stopped building. It just worked fine one day, and t
I faced the same issue when i was trying to call the namespace in xaml. was showing that class is not available in the namespace. I searched a lot. Finally i found this issue was with VS. I am using VS 2013. I tried below steps:
Change
xmlns:VM="clr-namespace:MyFirstAppViewModel"
to
xmlns:VM="clr-namespace:MyFirstAppViewModel;assembly=ViewModel"