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Asked: 2026-05-22T18:50:21+00:00

I create xsd’s based upon client’s documentation and all of the xsd’s have attributes.

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I create xsd’s based upon client’s documentation and all of the xsd’s have attributes. I have been using xsd.exe to generate the classes from the xsd’s, but I read that attributes aren’t supported for the DataContractSerializer. Why not? Does this mean that I can only have an soap+xml file with just elements? This is not possible because I don’t create the requests. Is there a way to specify to svcutil to recognize attributes?

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  1. Editorial Team

    DataContractSerializer was created with a “code-first” philosophy in mind – it maps well to most programming languages (records, lists), and it doesn’t handle all of XML constructs (such as attributes, or out-of-order elements, for example) for performance reasons.

    WCF (svcutil) still supports using the XmlSerializer, which can handle AFAIK all of the XML constructs. svcutil should create a contract using the XmlSerializer if the DataContractSerializer can’t handle it.

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