Database server, QueryString, Form Post, HTTP request, Message Queuing
Services, Web Services, Remoting, SMTP, FTP, Telnet, custom socket
application, just to name a few. Use your imagination. The basic principle
is that the one application needs to send a message to the other in some
way.
--
HTH,
Kevin Spencer
..Net Developer
Microsoft MVP
Big things are made up
of lots of little things.