private void _ordersCManager_PositionChanged(object sender, EventArgs e)
{
// a new orders details collection has been bound. Fetch it, if it's empty
OrderEntity currentOrder = (OrderEntity)_currentCustomer.Orders[_ordersCManager.Position];
if (currentOrder.OrderDetails.Count <= 0)
{
// fetch it
DataAccessAdapter adapter = new DataAccessAdapter();
adapter.FetchEntityCollection(currentOrder.OrderDetails, currentOrder.GetRelationInfoOrderDetails());
}
if (!_visitedOrderDetail.Contains(currentOrder.OrderDetails))
{
// add handler
currentOrder.OrderDetails.ListChanged += new ListChangedEventHandler(CurrentOrderDetail_ListChanged);
_visitedOrderDetail.Add(currentOrder.OrderDetails);
currentOrder.OrderDetails.AllowRemove = true;
}
removeOrderButton.Enabled = !_currentCustomer.Orders[_ordersCManager.Position].IsNew;
}
