How to get data from multiple data in AX 2012

Dear Master

I had a data in table excel like below :

pastedimage1525762617981v1.png

I want insert into only one data (for SO no: 1) to header and then item into line. How to create logic in ax 2012 (x++) ?

After data inserted, I want to do post each SO (for SO no : 1 )

please give your suggestion

Thanks,