public void AddPackstoCarriage(Packs packs, int quantity)
{
CartLine line = lineCollection.Where(p => p.Packs.PacksID == packs.PacksID).FirstOrDefault();
if (line == null)
{
lineCollection.Add(new CartLine {
Packs = packs, Quantity = quantity /*, Waga = waga*/
});
}
else
{
line.Quantity += quantity;
// line.Waga += waga;
}
}
public void RemoveLine(Packs packs)
{
lineCollection.RemoveAll(l => l.Packs.PacksID == packs.PacksID);
}