Using the XPathNavigator for Navigating Xml Documents : XPath « XML « ASP.Net






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  2. XML
  3. XPath

Using the XPathNavigator for Navigating Xml Documents

<%@ Import Namespace="System" %>
<%@ Import Namespace="System.Xml" %>
<%@ Import Namespace="System.Xml.XPath" %>
<%@ Page Language="C#" %>

<script runat="server">

    private void Page_Load(Object Source, EventArgs E)
    {
        StringBuilder sb = new StringBuilder();
        String space2 = "&nbsp;&nbsp;";
        String space3 = "&nbsp;&nbsp;&nbsp;";
    
        XmlDocument _XmlDoc = new XmlDocument();
        _XmlDoc.Load(Server.MapPath("Data.xml"));
    
        XPathNavigator _Nav;
        _Nav = _XmlDoc.CreateNavigator();
    
        _Nav.MoveToRoot();
        sb.Append("<B>Root: </B>");
        sb.Append("name=" + _Nav.Name + ", type=" + _Nav.NodeType.ToString());
        sb.Append("<BR/><BR/>");
        
        _Nav.MoveToFirstChild();
        sb.Append("name=" + _Nav.Name + ", type=" + _Nav.NodeType.ToString());
        sb.Append("<BR/>");
        
        _Nav.MoveToFirstChild();
        do 
        {
            sb.Append(space2);
            sb.Append("name=" + _Nav.Name + ", type=" + _Nav.NodeType.ToString());
            sb.Append("<BR/>");
        
            _Nav.MoveToFirstAttribute();
            sb.Append(space2);
            sb.Append("Attribute: " + _Nav.Name + "=" + _Nav.Value);
            sb.Append("<BR/>");
        
            _Nav.MoveToParent();
        
            _Nav.MoveToFirstChild();
            do
            {
                sb.Append(space3);
                sb.Append("name=" + _Nav.Name + ", type=" + _Nav.NodeType.ToString() + ", value=" + _Nav.Value);
                sb.Append("<BR/>");
            }while(_Nav.MoveToNext());
        
            _Nav.MoveToParent();
         }while(_Nav.MoveToNext());
        
        OutputLiteral.Text = sb.ToString();
    }        
    
</script>

<html>
<head>
<title>Using the XPathNavigator for Navigating Xml Documents</title>
</head>
<body>
    <form runat="server">
        <!-- Insert content here -->
        <asp:Literal id="OutputLiteral" runat="server"></asp:Literal>
    </form>
</body>
</html>

File: Data.xml

<?xml version="1.0" encoding="utf-8" ?>
<users>
  <user role="admin">
    <username>jsmith</username>
    <password>john</password>
  </user>
  <user role="operator">
    <username>tcruise</username>
    <password>tom</password>
  </user>
</users>








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