public ActionResult Index()
 {
     using (var db = new UsersContext())
     {
         return this.View(db.UserProfiles.Include(u => u.ExtraData).First(u => u.UserName == this.User.Identity.Name));
     }
 }
            public SimpleMembershipInitializer()
            {
                Database.SetInitializer<UsersContext>(null);

                try
                {
                    using (var context = new UsersContext())
                    {
                        if (!context.Database.Exists())
                        {
                            // Create the SimpleMembership database without Entity Framework migration schema
                            ((IObjectContextAdapter)context).ObjectContext.CreateDatabase();
                        }
                    }

                    WebSecurity.InitializeDatabaseConnection("DefaultConnection", "UserProfile", "UserId", "UserName", autoCreateTables: true);
                }
                catch (Exception ex)
                {
                    throw new InvalidOperationException("The ASP.NET Simple Membership database could not be initialized. For more information, please see http://go.microsoft.com/fwlink/?LinkId=256588", ex);
                }
            }
        public ActionResult ExternalLoginConfirmation(RegisterExternalLoginModel model, string returnUrl)
        {
            string provider = null;
            string providerUserId = null;

            if (this.User.Identity.IsAuthenticated || !OAuthWebSecurity.TryDeserializeProviderUserId(model.ExternalLoginData, out provider, out providerUserId))
            {
                return this.RedirectToAction("Manage");
            }

            if (this.ModelState.IsValid)
            {
                // Insert a new user into the database
                using (var db = new UsersContext())
                {
                    var user = db.UserProfiles.FirstOrDefault(u => u.UserName.ToLower() == model.UserName.ToLower());

                    // Check if user already exists
                    if (user == null)
                    {
                        // Insert name into the profile table
                        var userProfile = new UserProfile
                                              {
                                                  UserName = model.UserName,
                                                  ExtraData = model.ExtraData.Select(kv => new UserProfileExtraData
                                                                                                {
                                                                                                    Key = kv.Key,
                                                                                                    Value = kv.Value,
                                                                                                    Provider = provider
                                                                                                }).ToList()
                                              };

                        db.UserProfiles.Add(userProfile);
                        db.SaveChanges();

                        OAuthWebSecurity.CreateOrUpdateAccount(provider, providerUserId, model.UserName);
                        OAuthWebSecurity.Login(provider, providerUserId, createPersistentCookie: false);

                        return this.RedirectToLocal(returnUrl);
                    }
                    else
                    {
                        this.ModelState.AddModelError("UserName", "User name already exists. Please enter a different user name.");
                    }
                }
            }

            this.ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(provider).DisplayName;
            this.ViewBag.ReturnUrl = returnUrl;
            return this.View(model);
        }