I'm doing SOP to POP linking with eConnect for the second time. It can't be done with eConnect proper, but we add some code to the 'post' procedure for the PO eConnect transaction and it gets linked like that.
The first time there were issues, and we struggled with them, and then got the thing working. The issue is that you have to get the right combination of fields.
But I didn't write it down.
Now for the second time there are issues. Grrr.
Below is the taPoLinePost procedure that we use. Note that the @I_vUSERDEFND1 needs to have the Sales Order number, and @I_vUSERDEFND2 has the SOP line item sequence number