C# 无法使用实体框架在ASP.NET中创建登录名

我试图用实体框架做一个注册屏幕，我不使用数据库。使用我的模型的上下文

我正在学习如何使用数据库进行此操作的教程，当我从控制器创建视图时，会出现以下错误：

登录控制器：

public class loginController : Controller
{
    private loginContext db = new loginContext();

    // GET: login
    public ActionResult Index()
    {
        return View();
    }

    [AllowAnonymous]
    [HttpPost]
    public ActionResult Index(login lc)
    {
        string mainconn = ConfigurationManager.ConnectionStrings["loginContext"].ConnectionString;

        SqlConnection sqlconn = new SqlConnection(mainconn);
        string sqlquery = "select email,password from logins where email=@email and password=@password";

        sqlconn.Open();

        SqlCommand sqlcomm = new SqlCommand(sqlquery, sqlconn);
        sqlcomm.Parameters.AddWithValue("@email", lc.email);
        sqlcomm.Parameters.AddWithValue("@password", lc.password);

        SqlDataReader sdr = sqlcomm.ExecuteReader();

        if (sdr.Read())
        {
            FormsAuthentication.SetAuthCookie(lc.email, true);
            Session["emailid"] = lc.email.ToString();
            return RedirectToAction("Welcome", "Login");
        }
        else
        {
            ViewData["mensage"] = "Username & Password are wrong:";
        }

        sqlconn.Close();
        return View();
    }

    public ActionResult welcome()
    {
        return View();
    }
}

模型登录：

public class login
{
    [Required(ErrorMessage ="Please enter your email")]
    [Display(Name ="Enter email:")]
    public string email { get; set; }

    [Required(ErrorMessage = "Please enter your Password")]
    [Display(Name = "Enter Password:")]
    [DataType(DataType.Password)]
    public string password { get; set; }
}

EntityType

login

未定义键。定义此EntityType的键

显然，您的模型没有密钥属性，请更改

login

模型，如下所示：

public class login
{
    [Key]
    public int Id {get; set;}

    [Required(ErrorMessage ="Please enter your email")]
    [Display(Name ="Enter email:")]
    public string email { get; set; }

    [Required(ErrorMessage = "Please enter your Password")]
    [Display(Name = "Enter Password:")]
    [DataType(DataType.Password)]
    public string password { get; set; }
}

这个错误将会解决。 祝你好运