public ActionResult DeleteEpisode(int idEp, int id)
        {
            string message = "";

            try
            {
                OperationDetails opDet = serialService.DeleteEpisode(idEp);
                message = opDet.Message;
            }
            catch (ValidationException ex)
            {
                message = ex.Message;
            }
            return(RedirectToAction("SerialInfo", new { id, message }));
        }