Web service setup for RFC

        go to SE37

-->FM name : < the RFC name >

-->open in Edit mode

-->Utilities -> More Utitlities->Create Web service -> From FM

then follow the wizard which will guide u to create the webservice from the RFC

after that inorder for u to execute the web service follow this link

http://scn.sap.com/people/mohan.kumark/blog/2008/10/14/soamanager-how-to-test-service-definition-using-soamanager-transaction

 To test using SOAPUI – download wsdl from below to htm file.

Web service can aslo be tested using 'Test' button in SE80 -> Enterprise services -> Give Service name and press enter