Hi,
i am working with bapi billing(bapi_billing_createmultiple) to upload the data .
the flat file format is like this
h1 h2 h3 h4 h5 i1 i2 i3 h6 h7 h8
(h is header , i is item)
how to write the logic there
please help me
i am trying since 24 hours
Regards,