What is advantage of Message contract over data Contract

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Hi Guys,

What is advantage of using message contract when we already have data contract for exchanging parameter with service.Instead of using message contract we can use dataset.
1.Why we prefer message contract over data contract?
2.why we use message contract instead of dataset?
3.when to go for message contract?
4.how to define ref and out parameter in message contract?

Posted 20-Aug-12 21:12pm

Himanshu Yadav

Updated 20-Aug-12 21:16pm

v2

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Sergey Alexandrovich Kryukov 21-Aug-12 3:32am

Who do you think prefers what? I don't :-)
--SA

2 solutions

Solution 2

This question is exactly the same as asking "What is the advantage of the motor over the gear box". As well as your question, it does not make sense: the car won't go. :-)

—SA

Posted 20-Aug-12 21:31pm

Sergey Alexandrovich Kryukov

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bluesathish 25-Apr-13 8:57am

This is not a solution buddy :-) @Sergey Alexandrovich Kryukov

Sergey Alexandrovich Kryukov 25-Apr-13 9:25am

It depends on what you call a solution. A "solution" of the non-existing or incorrectly formulated problem, like in this case, is not a well-defined notion. So, in practical terms, the best solution is to help the inquirer to clean up the brain. And worse solution, actually a harm, would be an attempt to provide some real information on related topics, because it would only create an illusion of understanding and encourage sloppy or wrong thinking.

I hope you understand it after my explanation. :-)

—SA

bluesathish 25-Apr-13 10:09am

OfCourse you're right, you should probably post that in the comment section rather than the solution. Thats what i'm commenting like that. :-) @SA.

Sergey Alexandrovich Kryukov 25-Apr-13 10:57am

Thank you for your understanding. In most cases, this is what I do, but in this case, I just wanted to expose my point a bit more, as I hoped the aphoristic form could be pretty convincing and entertaining. I thought it would not be a big sin. :-)
—SA

bluesathish 30-Apr-13 1:39am

Hi Sergey, I've posted the following question 4 days before, but still i didn't got any responses, will you help me? link is below http://www.codeproject.com/Questions/583411/HostingplusWindowsplusWCFplusServiceplusinplusIISp

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Santhosh Kumar Jayaraman · Accepted Answer · 2012-08-20T21:22:00

DataContracts are used to descibe the data types used by a service. Interoperability is possible through this since it uses metadata of the services in background.DataContracts can be used to describe either parameters or return values.

MessageContracts are used for the SOAP formats. We can have message header and other elements over here

Check this link to know why we have to use message contract.
http://izlooite.blogspot.in/2010/01/wcf-why-use-messagecontract-when.html[^]

http://wcftutorial.net/Message-Contract.aspx[^]

Check the below link to know how to defin ref and out parameter in message contract.
http://www.diranieh.com/net_wcf/serialization.htm[^]