C# XPath problem

Question

When you run the following code, StatusCode is returned as null. What am I doing wrong?

        var xml = @"<?xml version='1.0' encoding='UTF-8'?>
            <kml xmlns='http://earth.google.com/kml/2.0'>
              <Response>
                <name>The Name</name>
                <Status>
                  <code>200</code>
                  <request>geocode</request>
                </Status>
              </Response>
            </kml>";

        XmlDocument XmlDoc = new XmlDocument();
        ASCIIEncoding Enc = new System.Text.ASCIIEncoding();
        using (MemoryStream Stream = new MemoryStream(Enc.GetBytes(xml)))
        {
            XmlDoc.Load(Stream);
        }
        XmlElement Root = XmlDoc.DocumentElement;
        XmlNamespaceManager XmlNS = new XmlNamespaceManager(XmlDoc.NameTable);
        XmlNS.AddNamespace("default", Root.NamespaceURI);
        XmlNode XmlResults = Root.SelectSingleNode("//default:Response", XmlNS);
        XmlNode StatusCode = XmlResults.SelectSingleNode("Status/code");

Thanks in advance!

You can see by looking at the syntax coloring btw that CamelCasing local variables is pretty non-standard. The pascalCased "xml" looks better, just a thought :) — Sander Rijken
– Sander Rijken, Commented Dec 17, 2009 at 18:59
I believe you have your camelCasing and PascalCasing backwards. — Matt Kellogg
– Matt Kellogg, Commented Dec 17, 2009 at 19:12

Sander Rijken · Accepted Answer · 2009-12-17 19:06:19Z

3

You also need to supply the namespace to the elements further on, because they too are in the namespace.

XmlNode xmlResults = Root.SelectSingleNode("//default:Response", xmlNS);
XmlNode statusCode = XmlResults.SelectSingleNode("default:Status/default:code",
    xmlNS);

edited Dec 17, 2009 at 19:06

answered Dec 17, 2009 at 18:57

Sander Rijken

21.7k3 gold badges65 silver badges86 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

C# XPath problem

1 Answer 1

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Related