在我的控制器我使用模型登录这些工作罚款和模型是给予我正确的数据当我登录到帐户给我空对象引用
这是我的模型

public class LoginViewModel
    {
        [Required]
        //[Display(Name = "Email")]

        public string UserName { get; set; }

        [Required]
        [DataType(DataType.Password)]
        [Display(Name = "Password")]
        public string Password { get; set; }

        [Display(Name = "Remember me?")]
        public bool RememberMe { get; set; }
    }

字符串
我在这里的行动

public ApplicationSignInManager SignInManager { 
   get { return _signInManager ?? HttpContext.GetOwinContext().Get<ApplicationSignInManager>(); 
   } 
   private set { _signInManager = value; } 
}

public async Task<ActionResult> LoginUser(LoginViewModel model, string returnUrl)
       {
           if (!ModelState.IsValid)
           {
               return View(model);
           }
           var user = UserManager.FindByName(model.UserName);

           var result = await SignInManager.PasswordSignInAsync(model.UserName, model.Password, model.RememberMe, shouldLockout: false);
           switch (result)
           {
               case SignInStatus.Success:
                   return RedirectToLocal(returnUrl);
               case SignInStatus.LockedOut:
                   return View("Lockout");
               case SignInStatus.Failure:
               default:
                   ModelState.AddModelError("", "Invalid login attempt.");
                   return View(model);
           }
       }

型
这是一个

public class ApplicationSignInManager : SignInManager<ApplicationUser, string>
    {
        public ApplicationSignInManager(ApplicationUserManager userManager, IAuthenticationManager authenticationManager)
            : base(userManager, authenticationManager)
        {
        }

        public override Task<ClaimsIdentity> CreateUserIdentityAsync(ApplicationUser user)
        {
            return user.GenerateUserIdentityAsync((ApplicationUserManager)UserManager);
        }
        public static ApplicationSignInManager Create(IdentityFactoryOptions<ApplicationSignInManager> options, IOwinContext context)
        {
            var d = new ApplicationSignInManager(context.GetUserManager<ApplicationUserManager>(), context.Authentication);
            return new ApplicationSignInManager(context.GetUserManager<ApplicationUserManager>(), context.Authentication);
        }
    }

型
and here the error in the browser
这些是我的启动类，我配置了标识，

[assembly: OwinStartup(typeof(Baity.Startup))]

namespace Baity
{
    public partial class Startup
    {
        public void Configuration(IAppBuilder app)
        {

           ConfigureAuth(app);

        }

    }
}

型