c#更改SyndicationItem根节点上的命名空间前缀

我甚至不确定我问的问题是否正确，但就是这样。基本上，由于缺乏WCF DS客户机对"OData深度插入"的支持，我不得不手动构建一个Atom请求。我的请求几乎完成了，唯一缺少的是将名称空间前缀添加到XML请求中的"entry"节点上(这会导致对服务器的请求出现问题)。

我正在使用SyndicationItem来构建请求。我需要在"entry"节点前加上"atom:"，以便服务器接受请求…

任何帮助都是非常感激的。下面是正在生成的请求:

<?xml version="1.0" encoding="utf-8"?>
<entry xmlns:atom="http://www.w3.org/2005/Atom" xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xmlns="http://www.w3.org/2005/Atom">
  <atom:id>uuid:8ed93950-9c16-4923-b6cc-ca5c7d020709;id=1</atom:id>
  <atom:title type="text"></atom:title>
  <atom:updated>2011-11-03T23:02:40Z</atom:updated>
  <atom:link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/SalesOrderItems" type="application/atom+xml;type=feed" title="SALES_ORDER.SalesOrderHeader_SalesOrderItemsx" href="SalesOrderHeaders()/SalesOrderItems">
    <m:inline>
      <atom:feed>
        <atom:entry>
          <atom:content>
            <m:properties>
              <d:Item>10</d:Item>
              <d:Material>70000559</d:Material>
              <d:Plant>570B</d:Plant>
              <d:Quantity>10</d:Quantity>
            </m:properties>
          </atom:content>
        </atom:entry>
        <atom:entry>
          <atom:content>
            <m:properties>
              <d:Item>20</d:Item>
              <d:Material>70000559</d:Material>
              <d:Plant>570B</d:Plant>
              <d:Quantity>10</d:Quantity>
            </m:properties>
          </atom:content>
        </atom:entry>
      </atom:feed>
    </m:inline>
  </atom:link>
  <atom:content type="text/xml">
    <m:properties>
      <d:DocumentType>ZCSH</d:DocumentType>
      <d:CustomerId>0001008657</d:CustomerId>
      <d:SalesOrg>1100</d:SalesOrg>
      <d:DistChannel>10</d:DistChannel>
      <d:Division>40</d:Division>
    </m:properties>
  </atom:content>
</entry>

这是我现在生成请求的代码。这只是一个概念证明，所以请忽略垃圾。:)

XNamespace nsAtom = "http://www.w3.org/2005/Atom";
            XNamespace nsD = "http://schemas.microsoft.com/ado/2007/08/dataservices";
            XNamespace nsM = "http://schemas.microsoft.com/ado/2007/08/dataservices/metadata";
            SyndicationItem soHeader = new SyndicationItem();
            soHeader.AttributeExtensions.Add(new XmlQualifiedName("atom", XNamespace.Xmlns.ToString()), nsAtom.NamespaceName);
            soHeader.AttributeExtensions.Add(new XmlQualifiedName("d", XNamespace.Xmlns.ToString()), nsD.NamespaceName);
            soHeader.AttributeExtensions.Add(new XmlQualifiedName("m", XNamespace.Xmlns.ToString()), nsM.NamespaceName);

            soHeader.Content = SyndicationContent.CreateXmlContent(
                new XElement(nsM + "properties",
                    new XElement(nsD + "DocumentType", "ZCSH"),
                    new XElement(nsD + "CustomerId", "0001008657"),
                    new XElement(nsD + "SalesOrg", "1100"),
                    new XElement(nsD + "DistChannel", "10"),
                    new XElement(nsD + "Division", "40")
                    )
                );
            SyndicationLink link = SyndicationLink.CreateAlternateLink(new Uri("SalesOrderHeaders()/SalesOrderItems", UriKind.Relative), "application/atom+xml;type=feed");
            link.Title = "SALES_ORDER.SalesOrderHeader_SalesOrderItems";
            link.RelationshipType = "http://schemas.microsoft.com/ado/2007/08/dataservices/related/SalesOrderItems";
            soHeader.Links.Add(link);
            XElement items = new XElement(nsM + "inline",
                                new XElement(nsAtom + "feed")
                                    );
            for (int i = 0; i < 2; i++)
            {
                items.Element(nsAtom + "feed").Add(new XElement(nsAtom + "entry",
                            new XElement(nsAtom + "content",
                                new XElement(nsM + "properties",
                                    new XElement(nsD + "Item", ((i+1)*10).ToString()),
                                    new XElement(nsD + "Material", "70000559"),
                                    new XElement(nsD + "Plant", "570B"),
                                    new XElement(nsD + "Quantity", (Decimal)10.0)
                                    )
                                )
                            )
                        );
            }
            link.ElementExtensions.Add(items);
            XmlWriter xml = XmlWriter.Create("C:''test.xml");            
            soHeader.SaveAsAtom10(xml);
            xml.Close();