public async Task <IActionResult> VerifyPhoneNumber(VerifyPhoneNumberViewModel model) { if (!ModelState.IsValid) { return(View(model)); } var user = await userManager.FindByIdAsync(HttpContext.User.GetUserId()); if (user != null) { var result = await userManager.ChangePhoneNumberAsync(user, model.PhoneNumber, model.Code); if (result.Succeeded) { await signInManager.SignInAsync(user, isPersistent : false); this.AlertSuccess("Your phone number was added."); return(RedirectToAction("Index")); } } // If we got this far, something failed, redisplay the form ModelState.AddModelError(string.Empty, "Failed to verify phone number"); return(View(model)); }