/*统计NOshow*/
        void NOshow()
        {
            BLL.book_room          bllbr    = new BLL.book_room();
            Model.SysParamter      modelsys = bllsys.GetModel(1);
            DateTime               dtnow    = DateTime.Now;
            DateTime               dtstart  = Convert.ToDateTime(dtnow.ToString("yyyy-MM-dd")).AddHours(modelsys.YsTime.Hours).AddMinutes(modelsys.YsTime.Minutes).AddSeconds(modelsys.YsTime.Seconds);
            List <Model.book_room> listbr   = bllbr.GetModelList("Accounts!='' and state_id=1");

            if (listbr.Count > 0)
            {
                foreach (Model.book_room item in listbr)
                {
                    TimeSpan tso = Convert.ToDateTime(item.time_to) - Convert.ToDateTime(dtstart);
                    if (tso.TotalSeconds < 0)
                    {
                        Model.customer modelcus = bllcuns.GetAccounts(item.Accounts);
                        if (modelcus != null)
                        {
                            modelcus.NoShow += 1;
                            bllcuns.Update(modelcus);
                        }
                    }
                    item.state_id = 4;
                    bllbr.Update(item);
                }
            }
        }