// 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");
}
}