[code] ASP.NET Busy Box 1.2 (Processing... Please Wait)
Summary: We often need to provide a user message informing the user that their request is “processing”. Like the hour-glass mouse pointer lets the Windows user know the system is busy processing their last request, I have a simple, clean, and effect solution to providing this on web pages.
[via Building a Better Busy Box (Processing… Please Wait) - Ver 1.2]
Check out the demo - very nice eye-candy to entertain your user while running long running operations like file uploads, webservice calls, etc. [update: failed humor attempt removed]