Net Project Build Problem

I have two Project , Project A and B in one solution for e开发者_运维技巧xample. Project A need refrence to Project B. when i change only Project A and Build Solution , I can't use exe with dll Project B . Is there anyway to do so? With Assembly loader or something like that?

If you have two projects and Project A is a reference to Project B. When you choose a reference you need to choose by project tab. The tab will show you all open projects of this solution