//get items for an existing order
private void getExistingItems()
{
order.lineItems = new List <LineItem>();
List <LineItem> items;
//Open connection if not already
if (order.orderNo > 0)
{
items = DatabaseAccess.getLineItems(order.orderNo);
foreach (LineItem item in items)
{
order.lineItems.Add(item);
}
}
displayLineItems();
}