hi, my self AKSH having hands on experiance in EDI ANSI X12 programming..
i have ready made module which convert xml file into 837 X12 format, for 837P-professional & 837I-institutional.
for your information.. i also have other EDI X12 Transaction set module,
like 270/271-eligiblity inquiry , 276/277-claim status inquiry, 835-Era Parser...
yes, important thing is all these modules are developed in .net...
yes but you can use it through SOAP access point.
i can show you my online webservice demo, if you want..
plz let me know your interest..
--AKSH