public ActionResult ChangeEpisode(string idEp, string name, int numberOfEpisode, int id)
        {
            string message = "";

            try
            {
                var temp = Convert.ToInt32(idEp);
                OperationDetails opDet = serialService.ChangeEpisode(temp, name, numberOfEpisode);
                message = opDet.Message;
            }
            catch (ValidationException ex)
            {
                message = ex.Message;
            }
            return(RedirectToAction("SerialInfo", new { id, message }));
        }