public async Task<ActionResult> Register(RegisterViewModel model)
        {
            if (ModelState.IsValid)
            {
                var user = new ApplicationUser { UserName = model.Email, Email = model.Email };
                var result = await UserManager.CreateAsync(user, model.Password);
                if (result.Succeeded)
                {
                    await SignInManager.SignInAsync(user, isPersistent:false, rememberBrowser:false);
                    
                    // For more information on how to enable account confirmation and password reset please visit http://go.microsoft.com/fwlink/?LinkID=320771
                    // Send an email with this link
                    // string code = await UserManager.GenerateEmailConfirmationTokenAsync(user.Id);
                    // var callbackUrl = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = code }, protocol: Request.Url.Scheme);
                    // await UserManager.SendEmailAsync(user.Id, "Confirm your account", "Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");

                    return RedirectToAction("Index", "Home");
                }
                AddErrors(result);
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }
        public async Task<ActionResult> Register(RegisterViewModel model)
        {
            if (ModelState.IsValid)
            {
                var user = new ApplicationUser { UserName = model.Email, Email = model.Email,FirstName = model.FirstName};
                var result = await UserManager.CreateAsync(user, model.Password);
                if (result.Succeeded)
                {
                    string code = await UserManager.GenerateEmailConfirmationTokenAsync(user.Id);

                    var callbackUrl = Url.Action(
                        "ConfirmEmail",
                        "Account",
                        new {userId= user.Id,code=code },protocol:Request.Url.Scheme);


                    await UserManager.SendEmailAsync(user.Id,
                        "Confirm Your Email",
                        "Please confirm your account by clicking <a ref=\"" + callbackUrl + "\">here</a>");

                    return View("CheckYourEmail");
                }
                AddErrors(result);
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }
        public async Task<ActionResult> Register(RegisterViewModel model)
        {
            if (ModelState.IsValid)
            {
                var user = new ApplicationUser
                {
                    UserName = model.Email,
                    Email = model.Email,
                    FirstName = model.FirstName
                };
                var result = await UserManager.CreateAsync(user, model.Password);
                //await UserManager.SetTwoFactorEnabledAsync(user.Id, true);
                if (result.Succeeded)
                {
                    return await GenerateConfirmationEmail(user);
                }
                AddErrors(result);
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }