// to add a new order row to an existing order
public OrderRow AddOrderRow(OrderRow orderRow)
{
try
{
int newId = orderRows.Count.Equals(0) ? 1 :
orderRows.Max(o => o.OrderRowId) + 1;
orderRow.OrderRowId = newId;
orderRows.Add(orderRow);
return(orderRow);
}
catch (Exception ex)
{
throw new ApplicationException(
"Could not add the order row", ex);
}
}
// To remove an order row instance from the orderRows collection in the Data class
public bool RemoveOrderRow(OrderRow orderRow)
{
return(orderRows.Remove(orderRow));
}
