The type or namespace does not exist

Question

Ok, I have had this one a million times before and it\'s been answered 1 million +1 times before.

And yet, once again. I have 3 projects, A, B, and C, each a DLL. Each

Answer 1

Go to warning section and resolve all warning and you are done...

The warning section will tell you what all internal dlls dependencies are needed for the project you are referencing to.