public ActionResult ListBookType()
        {
            if (Session["UserName"] != null && (int)Session["Role"] == 1)
            {
                ViewBag.ListBookType = BookTypesAction.ListBookType();

                return(View());
            }
            return(RedirectToAction("Login", "Account"));
        }
        public ActionResult ListBookType()
        {
            ViewBag.ListBookType = BookTypesAction.ListBookType();

            return(View());
        }