public void Delete(int id) { var msg = new Msg(); var Bill = new Bills(); try { ///0.开始事务 ///1.获取记录数据 var bill = Bill.FindById(id); if (bill == null) { throw new Exception("该账单已被删除"); } else if (Bill.Delete(id)) { msg.Message = "删除成功!"; } else { msg.Message = "发生未知错误"; } } catch (Exception ex) { msg.Code = -1; msg.Message = ex.Message; } Response.Write(msg.ToJson()); Response.End(); }