public void AddItem(Ware ware, int quantity)
{
CartLine line = lineCollection
.Where(g => g.Ware.ID == ware.ID)
.FirstOrDefault();
if (line == null)
{
lineCollection.Add(new CartLine
{
Ware = ware,
Quantity = quantity
});
}
else
{
line.Quantity += quantity;
}
}
public void RemoveLine(Ware ware)
{
lineCollection.RemoveAll(l => l.Ware.ID == ware.ID);
}