OpenID and Google.GData.AccessControl.dll in C#

Question

I am designing a web site to use OpenId and Google is one of the main providers I have selected. What I would like to do is use Google\'s Calendar & Contacts (possibly docs

Answer 1

Have you looked at DotNetOpenAuth? It will allow you to connect to any open authentication provider that supports OpenID and Google is one of the providers listed on the OpenID page.

Has anyone written a tie in between OpenID/OAuth and using the Google APIs?

I'm not sure what you mean by that... if you're asking if there is a library that allows you to user your google account as an OpenID, then yes: DotNetOpenAuth. There are some catches tho, see Andrew Arnott's answer to this question.