private void DeleteSaleDetailButtonClick(object sender, RoutedEventArgs e)
{
SaleDetailUI index = ((sender as SaleDetailControl).DataContext as SaleDetailUI);
newSaleViewModel.DeleteProductToSale(index);
}
public void DeleteProductToSale(SaleDetailUI index)
{
SaleDetailUIs.Remove(index);
TotalSale -= (index.SaleDetail.NbProduct * index.SaleDetail.Price) ?? default;
}
