why Iframe src taking IP address but not domain name

iFrame seem to belong to ASP, and ASP has it's own Forum where you are more likely to get any answer:

http://forums.asp.net/

---

Let's talk about MVVM: http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/b1a8bf14-4acd-4d77-9df8-bdb95b02dbe2 Please mark post as helpfull and answers respectively.