public JsonResult PheDuyetYeuCauPhongBan(int?id) { if (id.HasValue) { NhanVienService service = new NhanVienService(); var nv = service.FindByKey(id.Value); if (nv != null) { nv.TrangThai = nv.TrangThai.HasValue ? !nv.TrangThai : true; service.Update(nv); return(Json(new { status = true }, JsonRequestBehavior.AllowGet)); } } return(Json(new { status = false, message = "Không khả dụng" })); }