facebook-connect

Facebook API class doesn't exist anymore

I am trying to follow this guide to use Facebook on my site: http://www.deviantcoders.com/articles/aspnet-membership-and-role-provider-facebook-connect-part-2 But when I try to use API api = new API(); it can't find the class: The type or namespace name 'API' could not be found (are you missing a using directive or an assembly refere...