public PromotionsDishWiewModel(IChooseDishesDataService dataService,IMarketTypeDataService  IMarketTypeDataService ,IMessenger messenger)
     : base(messenger)
 {
     _DataService = dataService;
     _IMarketTypeDataService = IMarketTypeDataService;
     IsNotEdit = true;
     //加载市别
     MarketTypeItems = _IMarketTypeDataService.FindAllMarketTypeByDeletedStatus();
     //Init();
     
 }
 public MarketTypeViewModel(IMarketTypeDataService dataService, IMessenger messenger)
     : base(messenger)
 {
     _DataService = dataService;
     InitMarketTypeData();
 }