// удаление записи public async void OnDelete(object sender, EventArgs e) { var mi = (MenuItem)sender; var del = mi.CommandParameter as Product; await DisplayAlert("Delete Context Action", mi.CommandParameter + " delete context action", "OK"); if (del != null) { await _productsViewModel.DeleteBasket(del, (MenuType)picker.SelectedIndex); menuList.ItemsSource = _productsViewModel.ProductList; } else { await DisplayAlert("Ошибочка", "объект не выбран", "OK"); } }