Multiple forms and sub-tables in a single view

Thanks for your reply.  It's a good suggestion but the problem is, you can go back and edit an order later which means the two components are still split across two views.

Assuming I understand what is happening here:

I think this is more a "human engineering" issue than a coding problem. Adding to that, is the form or forms to be used inhouse, in which case the user could get by with a very simple reminder of what is happening, or does it have to be more complex to explain to a newbie user how they can foul up?

Going back and editing an order that is already processed is not a good idea. I think it should be a "change order" type of view, that will actually call up the already processed order so that inventory/shipping/payment whomever will know what is happening. Fiddling with a non-proessed order is nowhere near as serioius.