Q:

The type or namespace name 'xxx' could not be found

I've developed a dll in .net 2.0. Now I need that dll to be used in other project in the same solution. The project that I am using is also on .net 2.0. It is showing me an error of could not be found. 
If I change the target platform from .net 2.0 to 3.5 it works fine in the main project.
Please help me in this.

A:

I found the solution. Problem was with the dll that has been refer with in the dll xxx that I need to use in project. The dll is refers two more dll with in it so I need to add reference of both of that dll in main project and then I can use using xxx statement.

