split form creation

Hi, I make two tables one is maintable and second is line table, I want to see record on single screen with split e.g. (sales order detail and sales order line) , i have single ID on both table, once i create the record in the table from the form it generate unique ID after that once i create the line it show the error unique ID is must be filled. can some help me to resolve this issues?

You already have a reply in your duplicate thread on another forum. To avoid duplicity, let’s continue the discussion there.