Public key token for a .NET DLL or assembly

Could not load file or assembly one of its dependencies. The given assembly name or codebase was invalid.

Simple steps to find the .NET DLL or an assembly Public Key Token

1. Open Visual Studio command prompt and issue Sn -t
eg: C:\Program Files\Microsoft Visual Studio 9.0\VC>sn - somedll.dll

2. If the assembly is not already installed, Install the assembly using GAC utility
(gacutil.exe /i ) and then view the Public key token in c:\windows\assembly.

Note: The GAC utility can be found in C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin directory.