How to read values from another form

how can I read the values entered in a form from another web page

I java you can use javabeans:

request.getParameterValues(“IDs”)

http://forums.esri.com/Thread.asp?c=158&f=2282&t=229054&mc=4

in .Net you can use that:
this.webBrowser1.Document.All[“UserId”].GetAttribute(“value”))