Compilation Error: The type 'ASP.global_asax' exists in both DLLs

Question

I have just integrated another project pages and its dlls into my existing project\'s Bin/ folder. My project framework is 3.5. When i am trying to build the project or solu

Answer 1

In my case I have added DLL from local to stage site.

Answer 2

I just Clean Solution and Build Solution then solved!

Answer 3

I struggled with this issue in .NET 4.5 in VS2013 for a while before finding a solution that worked:

• Manually deleting the contents of the ASP.Net project's bin-folder. Clean/Rebuild was insufficient. It didn't delete enough apparently ;)

The error persisted after adding the batch="false"attribute in the compilation-element of web.config.

It also did not help to delete the ASP.Net Temporary Files-directory either.

Answer 4

In my case the problem was caused by accidentional removal of "PrecompiledApp.config". As soon as i returned the file everything started working normally.