I guess I am trying to mix two providers in project but I am looking to use websecurity in conjunction to my forms authentication. I need websecurity for OAUTH authentication us
You can use an implementation of ExtendedMembershipProvider. For ex: the built-in SimpleMembershipProvider.
ExtendedMembershipProvider
SimpleMembershipProvider
Every ExtendedMembershipProvider IS A MembershipProvider .
MembershipProvider
Read more at Jon Galloway's Blog.