1 invoice for 1 order

Dear All,

We use order management to generate invoice. And there are more than one rows our every orders. Every rows have more than one quantities. Order could be shipped partially in different time. How can i provide 1 invoice for 1 order in this kind of situation? If order is partially shiped, invoice will not be created. After all rows in order are shipped, it will be avaliable for generating invoice.

I had done setting up grouping rules(Autoinvoice) based on order type which is selected on order header but it didn't work. Is there any way?

Thanks

Tugce