Using C#: Unable to load DLL 'mapscript': The specified module could not be found.

[Donovan J Donovan]

I had this problem a few weeks ago.  The error mentions mapscript.dll but
means all the mapserver dlls.  I think the mapscript_csharp.dll should be
referenced and in the application's bin directory.  The mapscript.dll and
all the other mapserver dlls (about 20) go into the windows/system32 directory.

Hope that helps...
Donovan