public void Pay(int id) { var msg = new Msg(); try { var Db = new Bills().BillDb; var bill = Db.GetById(id); if (bill == null) { throw new Exception("该账单不存在"); } bill.Bill_is_active = 2; if (Db.Update(bill)) { msg.Message = "结算成功!"; } else { throw new Exception("发生未知错误!"); } } catch (Exception ex) { msg.Code = -1; msg.Message = ex.Message; } Response.Write(msg.ToJson()); Response.End(); }