Hi Michael,
you could create one or multple EJB(s), which wrap the necessary RFC calls in corresponding business methods. The proxies for the RFC calls can be generated using the "Import RFC modules from R/3" feature in the Developer Studio. And, finally, you can create Web Services from these EJBs and import the Web Service Interfaces as models in Web Dynpro.
Hope that helps.
Regards
Stefan
Hello Michael,
when your backend system is running on 6.20 or higher, all RFC enabled function modules are also accessible as Web Services.
Regards
Gregor
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