Microsoft has a script encoding tool available. It is not 100% lock-down, but does prevent standard easy source code
editing of distributed code.

http://msdn.microsoft.com/library/periodic/period99/scriptengine.htm

>Hi,
>
>Does anyone know if it is possible to distribute an ASP application, and to somehow safeguard the code (by compiling or otherwise) to stop code being altered/copied by the clients/users?
>
>Thanks in Advance