public SliderModel PrePareSliderModel(int sliderId) { if (sliderId == 0) { return(new SliderModel()); } var query = _sliderService.GetBySliderId(sliderId); if (query == null) { return(new SliderModel()); } var model = new SliderModel(); model.Name = query.Name; model.CreateDate = query.CreateDate; model.Id = query.Id; model.SliderPictureModels = PrePareSliderPictureListModel(model.Id); return(model); }