app_code not needed?

The app_code folder is needed if you want to create a class that is accessible to any part of the project. This doesn't stop you creating classes outside of this folder which sounds like what you have done here.

That is not what I am referring to, though. What I experience is that Visual Studio.NET did not automatically add the app_code folder when adding a class (which is the standard behavior), while I was using the AJAX project template... also, and even more importantly, I tried to add the app_code directory myself but it is not giving me that option when I right click on add -> add asp.net folder. I can see app_data, app_localresources, etc as options, but not app_code as in any standard VS.NET project... is this by design behavior?