public ActionResult DeleteSusbscriber(int?id) { M_Subscriber model = new M_Subscriber(); if (id != null) { try { model.Delete(id); return(RedirectToAction("Index", "List")); } catch (M_CustomException ex) { ModelState.AddModelError("editsub", ex.message); return(RedirectToAction("ViewSubscribers/" + ViewBag.id)); } } else { ModelState.AddModelError("idnull", "Error while processing request contact administrator"); return(RedirectToAction("Index", "List")); } }