Namespace of specific XML Node in c#

Question

I have the following XML structure:

<?xml version="1.0" encoding="utf-16"?>
<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance
" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <soap:Body>
    <StoreResponse xmlns="http://www.some-site.com">
      <StoreResult>
        <Message />
        <Code>OK</Code>
      </StoreResult>
    </StoreResponse>
  </soap:Body>
</soap:Envelope>

I need to get the InnerText from Codeout of this document and I need help with the appropriate XPATH statement.

I'm really confused by XML namespaces. While working on a previous namespace problem in another XML document, I learned, that even if there's nothing in front of Code (e.g. ns:Code), it is still part of a namespace defined by the xmlns attribute in its parent node. Now, there are multiple xmlns nodes defined in parents of Code. What is the namespace that I need to specify in an XPATH statement? Is there such a thing as a "primary namespace"? Do childnodes inherit the (primary) namespace of it's parents?

Michael Quinlan · Accepted Answer · 2014-02-17 04:19:30Z

1

The namespace of the <Code> element is http://www.some-site.com. xmlsn:xxx means that names prefixed by xxx: (like soap:Body) have that namespace. xmlns by itself means that this is the default namespace for names without any prefix.

answered Feb 17, 2014 at 4:19

Michael Quinlan

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Newse · Accepted Answer · 2014-02-17 04:17:31Z

0

An example of using an XDocument (Linq) approach:

XNamespace ns = "http://www.some-site.com";

var document = XDocument.Parse("your-xml-string");
var elements = document.Descendants( ns + "StoreResult" )

Descendant elements will inherit the last immediate namespace. In your example you will need to create two namespaces one for the soap envelope and a second for "some-site".

answered Feb 17, 2014 at 4:17

Newse

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Community · Accepted Answer · 2017-05-23 11:43:33Z

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Here's an option I found in this question: Weirdness with XDocument, XPath and namespaces

var xml = "<your xml>";
var doc = XDocument.Parse(xml); // Could use .Load() here too
var code = doc.XPathSelectElement("//*[local-name()='Code']");

edited May 23, 2017 at 11:43

CommunityBot

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answered Feb 17, 2014 at 4:20

Zac Charles

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