Archive for September, 2008

EDI Enveloping Part Two (The ISA)

question key EDI Enveloping Part Two (The ISA)What is in the ISA?

The ISA Segment is the first segment in any EDI document.  Once you understand what it is saying, This long random seeming string will make sense, and be very helpful in helping you relate EDI documents to the real world task that you need to do. (more…)

Wednesday, September 24th, 2008

EDI Enveloping Part One

envelope 300x87 EDI Enveloping Part OneAn EDI file contains a structure known as enveloping.  Everything that is necessary for the file transmission and parsing, is part of or inside of the envelope.

The first segment in and EDI file is the ISA segment.  The very last segment in and EDI file is the IEA.  For those of you familiar with XML, you may be thinking of this as <File> and </File>.

This approach may make EDI seem familiar, but XML was not around when EDI was being created.  It is more like a Beginning Of File (BOF) and End Of File (EOF) marker.  However, there is no reason in EDI not to place multiple EDI envelopes in the same file. (more…)

Wednesday, September 3rd, 2008