public async Task <ActionResult> Register(RegisterViewModel model)
        {
            if (ModelState.IsValid)
            {
                var user = new IdentityUser {
                    UserName = model.Name, PasswordHash = model.Password
                };
                var result = await ASampleUserManager.CreateAsync(user, model.Password);

                if (result.Succeeded)
                {
                    await ASampleSignInManager.SignInAsync(user, isPersistent : false, rememberBrowser : false);

                    // 有关如何启用帐户确认和密码重置的详细信息,请访问 https://go.microsoft.com/fwlink/?LinkID=320771
                    // 发送包含此链接的电子邮件
                    // 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, "确认你的帐户", "请通过单击 <a href=\"" + callbackUrl + "\">這裏</a>来确认你的帐户");

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

            // 如果我们进行到这一步时某个地方出错,则重新显示表单
            return(View(model));
        }
 public AccountController(ASampleUserManager userManager, ASampleSignInManager signInManager)
 {
     ASampleUserManager   = userManager;
     ASampleSignInManager = signInManager;
 }