public ActionResult DeleteContent(int seanceID, string contenuTitre) { try { seanceService.DeleteContentFromSeance(seanceID, contenuTitre); System.Web.HttpContext.Current.Session[SESSION_UV] = true; } catch (DuplicateContentException ex) { TempData["DuplicateError"] = ex.Message; } return(RedirectToAction("Edit", new { id = seanceID })); }