private  static  readonly ICatHotellService _catHotellService;
  private static readonly ICatTourismService _catTourismService;
  private static readonly ICatTourService _catTourService;
  private static readonly IUnitOfWork _uow;
  public DropDownList(ICatHotellService CatHotellService, IUnitOfWork ouw, ICatTourService CatTourService, ICatTourismService CatTourismService)
  {
_uow=ouw;
_catHotellService = CatHotellService;
_catTourismService = CatTourismService;
_catTourService = CatTourService;
  }