9.5. Handling XML Documents

While it's easy to return and receive DataSets from Web services, sending and receiving XML documents provides the most control over message format. In this section, I will show you how to return an XML document with a specific structure, perhaps based on a schema, like the SOAP message in Listing 9.15.

Listing 9.15. The desired SOAP message. The payload is an XML document fragment based on a predefined schema.
<soap:Envelope ...>
  <soap:Body>
    <CustomerData xmlns="http://www.LearnXmlWS.com/customerorders">
      <Customers CustomerID="ALFKI"
       CompanyName="Alfreds Futterkiste" />
       ...
      <Customers CustomerID="WOLZA"
                 CompanyName="Wolski  Zajazd" />
    </CustomerData>
  </soap:Body>
</soap:Envelope>

There are several steps you must ...

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