I downloaded it from the site :
http://weblogs.asp.net/cjdevos/archive/2008/03/29/asp-net-ajax-tooltipextender.aspx
..and the static example "kind of" works...no user customization from the code behind..
dynamic example doesn't work at all. You must install it as its own VS2005 website
He fails to mention that it works with ASP.net AJAX 10920..nothing newer..notified the
author that I was using 20229.. managed to add it to my toolbox..when I drag/drop it
onto a 20229 page it wont add it..
"Control can not be created because Visual Studio can not find the controls type in the control assembly."
... if he fixes it (dynamic version) so that it can be accessed from code behind, and all the properties
can be set, eg: font, color, bold, italics, background, etc...it will be real good..something worth adding to your kit.
Regards,
Brian 