Why can't I reference my class library?

Question

I have a solution that contains a website and a class library in Visual Studio 2008.

I then have another web site project outside of the solution that needs to refe

Answer 1

I had similar issue. What worked for me is that I had added wrong Class Library from visual studio. I added by using the search feature of visual studio.

What I needed to do was Add New Project > Visual C# > Class Library. And this newly added class library is the right one and can now be added as reference to any project.