public void AddItem(Product prod, int Quantity)
{
QuartLine cartline = CartLineCollection
.Where(e => e.Productes.ProductID == prod.ProductID)
.FirstOrDefault();
if (cartline == null)
{
CartLineCollection.Add(new QuartLine { Productes = prod, Quantity = Quantity });
}
else
cartline.Quantity += Quantity;
}
public void Remouve(Product product)
{
CartLineCollection.RemoveAll(l => l.Productes.ProductID == product.ProductID);
}