public ActionResult Login(Userlogin user)
        {
            var obj = new Userlogin();

            obj.Email    = user.Email;
            obj.Password = user.Password;

            byte[] temp;
            SHA1   sha = new SHA1CryptoServiceProvider();

            temp = sha.ComputeHash(Encoding.UTF8.GetBytes(user.Password));
            StringBuilder sb = new StringBuilder();

            for (int i = 0; i < temp.Length; i++)
            {
                sb.Append(temp[i].ToString("x2"));
            }

            string hash = sb.ToString();

            var psw = lodinDb.LogUser(obj.Email);

            psw = psw.Replace(" ", String.Empty);
            if (psw != null)
            {
                if (psw.Equals(hash))
                {
                    string[] arr = { hash, obj.Email };

                    Session["UserMail"] = user.Email;
                    return(Json(new { Items = arr }));
                }
                else
                {
                    return(null);
                }
            }
            else
            {
                return(null);
            }
        }