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In the sample Delphi web service tutorials I’ve read, they tend to build a web service that returns a simple string or integer, e.g.
http://blogs.codegear.com/pawelglowacki/2008/12/18/38624
However, I read it’s possible in .NET to build a web service that returns a DataSet or even an object. Is this possible in Delphi 2009, and if so where can I find more info on this?
Also, what’s your opinion on tools for building a web service, between Delphi and .NET?
Delphi 2009 has full suport for returning classes and datasets from webservices. Datasnap is the framework that supports datasets you can find more information in this video by Nick Hodges, Delphi Product manager, this whitepaper by Marco Cantù (whitepaper extracted from his book “Delphi 2009 Handbook” and this code by Bruno Lichot.