public ActionResult EditSubject(FormCollection form) // sửa thông tin môn { if (!user.IsAdmin()) { return(View("Error")); } int id_subject = Convert.ToInt32(form["id_subject"]); string subject_name = form["subject_name"]; bool edit = Model.EditSubject(id_subject, subject_name); if (edit) { TempData["status_id"] = true; TempData["status"] = "Sửa Thành Công"; } else { TempData["status_id"] = false; TempData["status"] = "Sửa Thất Bại"; } return(RedirectToAction("EditSubject/" + id_subject)); }