public ActionResult LogIn(Anketa_Proekt.Models.Louse user)
        {
            //if (ModelState.IsValid)
            //{
            if (user.isValidUser(user.e_mail, user.lozinka))
            {
                //FormsAuthentication.SetAuthCookie(user.e_mail, true);
                //FormsAuthentication.SetAuthCookie()
                using (var db = new AnketiEntities5())
                {
                    var query = from a in db.Lice
                                where a.e_mail.Equals(user.e_mail) & a.lozinka.Equals(user.lozinka)
                                select a.id_lice;

                    int idLice = query.FirstOrDefault();

                    Session["id_lice"] = idLice;
                    return(RedirectToAction("Index", "Anketa"));
                }
            }
            else
            {
                ModelState.AddModelError("", "Login data is incorrect!");
            }
            //}
            return(View(user));
        }