I am using Custome users Account which look like The Model: USer
public class user
    {
        [Key]
        public int userid { get; set; }
        [Required]
        [StringLength(150)]
        [DisplayName("Email")]
        public string Email { get; set; }
        [DisplayName("Password")]
        [Required]
        [DataType(DataType.Password)]
        [StringLength(20, MinimumLength = 6)]
        public string Password { get; set; }
        public string PasswordSalt { get; set; }
    }
The Controller:
public ActionResult Index()
        {
            return View();
        }
        [HttpGet]
        public ActionResult logIn()
        {
            return View();
        }
        [HttpPost]
         public ActionResult logIn(Models.user user)
        {
            if (ModelState.IsValid)
            {
                if (user !=null)
                {
                    FormsAuthentication.SetAuthCookie(user.Email, false);
                    return RedirectToAction("Index", "Home");
                }
                else
                {
                    ModelState.AddModelError("", "Login Data is Incorrect.");
                }
            }
            return View(user);
        }
        [HttpGet]
        public ActionResult Registration()
        {
            return View();
        }
        [HttpPost]
        public ActionResult Registration(Models.user user)
        {
            if (ModelState.IsValid)
            {
                var sysUser = db.users.Create();
                sysUser.Email = user.Email;
                sysUser.Password = user.Password;
                db.users.Add(sysUser);
                db.SaveChanges();
                return RedirectToAction("Index", "Home");
            }
        else
    {
        ModelState.AddModelError("","Login Data is Incorrect.");
    }
               return View();
    }
        public ActionResult Logout()
        {
            FormsAuthentication.SignOut();
            return RedirectToAction("Index","home");
        }
The Login.CSHTML (View)
@using (Html.BeginForm())
{
    @Html.ValidationSummary(true, "Login Failed. Check your Details.");
   <div>
   <fieldset>
   <legend>Login Form</legend>
   <div>@Html.LabelFor(u=>u.Email)</div>
   <div>@Html.TextBoxFor(u=> u.Email)
   @Html.ValidationMessageFor(u=>u.Email)
   </div>
   <div>@Html.LabelFor(u=>u.Password)</div>
   <div>@Html.PasswordFor(u=> u.Password)
   @Html.ValidationMessageFor(u=>u.Password)
   </div>
   <input type ="submit" Value="Login" />
   </fieldset>
   </div> 
   }
This is working code : I want to make an administrator and some users ... I want to make protected some pages for users ...