Question

Modify CDATA attribute in XmlDocument without using Navigator or XPath

Asked by: silentthread2k

The code below works if I want to modify the information inside the tag, but how do I modify the CDATA for what looks to be an attribute?

I want to modify "DocInfo" CDATA, but can't seem to find the correct expression to place into SelectSingleNode function.

(see below code and sample input xml.)


using System.Xml;

XmlDocument xmldoc = new XmlDocument();
xmldoc.Load(xmlfilepath);
xmldoc.SelectSingleNode("Document/DocumentName").InnerText = "test";



<?xml version="1.0" encoding="utf-8" ?>
<Document>
  <DocumentName><![CDATA[]]></DocumentName>
  <IndexCollection>
    <Index columnname="DocInfo"><![CDATA[]]></Index>
    <Index columnname="Somethingelse"><![CDATA[]]></Index>
  </IndexCollection>
</Document>

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Asked On
2009-10-22 at 05:41:40ID24834205
Topics

.NET

,

Extensible Markup Language (XML)

,

XPath

Participating Experts
1
Points
500
Comments
1

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Answers

 

by: TheLearnedOnePosted on 2009-10-23 at 07:14:47ID: 25644637

Try something like this:

           XmlDocument document = new XmlDocument();
            document.Load(@"c:\temp\test.xml");
            XmlNode node = document.SelectSingleNode("//Index[@columnname='DocInfo']/node()");
 
            if (node != null)
            {
                node.InnerText = "Test";
            }
 
            document.Save(@"c:\temp\test.xml");
                                              
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