public async Task<ActionResult> Register(RegisterViewModel model) { if (ModelState.IsValid) { var user = new User() { FirstName = model.FirstName, LastName = model.LastName, UserName = model.Email, Email = model.Email, Telephone = model.Telephone }; var userExist = await UserManager.FindByNameAsync(user.UserName); if (userExist != null) { ModelState.AddModelError( model.GetPropertyName(() => model.Email), "Email already exists"); return View(model); } var result = await UserManager.CreateAsync(user, model.Password); if (result.Succeeded) { await SignInAsync(user, isPersistent: false); return RedirectToAction("Success", "Account"); } else { AddErrors(result); } } // If we got this far, something failed, redisplay form return View(model); }