in ASP MVC5 RC I didn\'t get the role system to work.
My database has all needs tables an role exist but proofing if user is in role always return false (no SQL exception or som
User.IsInRole is basically looking at the claims for the currently signed in user. What does your sign in logic look like? That is what is responsible for minting the cookie that turns into the User identity. That needs to have the Role claim set properly for the IsInRole method to work correctly.