Style TargetType causes XamlParseException when not attached to debugger

Question

I have a very simple set of styles that I\'m using in a couple of different WPF applications. I have this style stored in a Xaml file in a common project, then added by merging

Answer 1

Do you have reference to devexpress dlls in the project which has app.xaml.cs ? if not try by adding reference..

Also check the assembly loading by using the fuslogvw.exe and make sure the devexpress dlls are loaded.