@using ZoomLa.Model.Extend @using ZoomLa.BLL.Extend @model System.String @{ B_AD_Zone zoneBll = new B_AD_Zone(); B_AD_Info infoBll = new B_AD_Info(); M_AD_Zone zoneMod = zoneBll.SelModelByName(Model); M_AD_Info infoMod = infoBll.SelModelByZoneId(zoneMod.ID); } @if (infoMod == null) {