public void copy(BillItemLine line)
{
itemName = line.itemName;
desc = line.desc;
quantity = line.quantity;
cost = line.cost;
className = line.className;
}
public void updateItemLine(string itemName, BillItemLine line)
{
foreach (BillItemLine l in itemLines)
{
if (l.ItemName == itemName)
{
l.copy(line);
break;
}
}
}
public void addItemLine(BillItemLine line)
{
itemLines.Add(line);
}