Reference DLLs not loading in Visual Studio 2010

Question

I\'m working on a C# 4.0 project in VS2010 and needed to use some older DLLs containing controls that were created in C# 3.5 on VS2008. When I first add the DLLs to the ref

Answer 1

view the target framework.. in my project, was 4.0 client profile, e the reference dll was in 4.0