I was exploring some SP stuff related to the application pages, I need to refer applicatio pages dll and oops its not there in ISAPI. After exploring I wondered its located at:
C:\Inetpub\wwwroot\wss\VirtualDirectories\<Your Virtual Server >\_app_bin\Microsoft.SharePoint.ApplicationPages.dll
Here is the full list of assemblies at _app_bin folder:
Why SP is always so tough!!!!
Haapy Sharepointing 🙂