// обработка нажатия кнопки добавления private async void CreateSubCostCat(object sender, EventArgs e) { CostSubCat costSubCat = new CostSubCat(); CostSCatPage costSubCatPage = new CostSCatPage { BindingContext = costSubCat }; await Navigation.PushAsync(costSubCatPage); }
// обработка нажатия элемента в списке private async void OnItemSelected(object sender, SelectedItemChangedEventArgs e) { CostSubCat selectedSubCostCat = (CostSubCat)e.SelectedItem; CostSCatPage costSubCatPage = new CostSCatPage { BindingContext = selectedSubCostCat }; await Navigation.PushAsync(costSubCatPage); }