public ActionResult Delete(int id) { try { Zalo zalo = new Zalo(); zalo.DeleteById(id, db); Transaction con = db.Transactions.Where(x => x.ID == id).FirstOrDefault <Transaction>(); db.Transactions.Remove(con); db.SaveChanges(); return(Json(new { success = true, message = "Xóa giao dịch thành công!" }, JsonRequestBehavior.AllowGet)); } catch (Exception ex) { help.LogError(ex); return(Json(new { success = false, message = "Lỗi xóa giao dịch!" }, JsonRequestBehavior.AllowGet)); } }