public IActionResult AddToCarte(int productId, string returnUrl)
{
Product product = _dBaseTechProduct.dbProducts.FirstOrDefault(p => p.ProductID == productId);
if (product != null)
{
carte.AddItem(product, 1);
Carte.returnUrl = returnUrl;
}
//return View();
return(RedirectToAction(nameof(Index)));
}