XML Traversing using Navigator and Iterator classe

jasim · July 17th, 2003, 06:41 PM

hi,

i have a problem here traversing in XML document. i'm trying to use XPathNavigator class, and all i'm trying to do is to print each node's name and its text. can anyone please help me how to do it with Iterator class and navigator class ?

thanx in advance.
-jasim

following is a sample xml file.

<?xml version='1.0'?>
<bookstore>
  <book>
  First
  </book>
  <title>XML 1</title>
  <name>Writer 1</name>
  <price>100</price>

  <book>
  second
  </book>
  <title>XML 2</title>
  <name>Writer 2</name>
  <price>200</price>

  <book>
  third
  </book>
  <title>XML 3</title>
  <name>Writer 3</name>
  <price>300</price>
</bookstore>

joefawcett · July 18th, 2003, 03:29 AM

A bit rough and ready:

Code:

using System;
using System.Xml;
using System.Xml.XPath;


namespace LearnXml
{
    /// <summary>
    /// Walks through an Xml document and outputs node data.
    /// </summary>
    class XmlDocumentor
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            XPathDocument xpDoc = new XPathDocument(@"E:\scripts\xml\bookstore.xml");
      XPathNavigator xpNav = xpDoc.CreateNavigator();
      xpNav.MoveToRoot();
      xpNav.MoveToFirstChild();
      ProcessElement(xpNav);     
      Console.ReadLine();
        }

    static void ProcessElement(XPathNavigator Element)
    {
      XPathNavigator xpTemp = Element.Clone();
      if (xpTemp.NodeType == XPathNodeType.Element)
      {
        Console.WriteLine("Element named '{0}' found.", xpTemp.Name);
        if (xpTemp.HasChildren)
        {
          xpTemp.MoveToFirstChild();
          do
          {
            if (xpTemp.NodeType == XPathNodeType.Element)
            {
              ProcessElement(xpTemp);
            }
            else if (xpTemp.NodeType == XPathNodeType.Text)
            {
              Console.WriteLine("The XML string for this node is '{0}'", xpTemp.Value); 
            }             
          }
          while (xpTemp.MoveToNext());
        } 
      }
      xpTemp = null;
    }
    }
}

--

Joe