How to connect to Facebook like Zoho does in ASP.NET MVC?

Pretty much all the tutorials I found on authentic开发者_如何学编程ating users using Facebook, make use of a new window which I find to be an ugly solution. But www.zoho.com on the other hand does this much like the way that OpenID works. Can someone tell give detailed instructions on how Zoho does this?

Facebook has a full page redirect mode but it's their "legacy" API. Their newer one is the popup style that you dislike. Their newest one is OAuth 2.0, which is back to the full page redirect from what I've seen.

DotNetOpenAuth 3.5, when it ships, will include OAuth 2.0 support and a Facebook login sample. Slated for at least a few weeks out before it's released though.