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XmlNodeReader.IsEmptyElement Property

Gets a value indicating whether the current node is an empty element (for example, <MyElement/>).

Namespace: System.Xml
Assembly: System.Xml (in system.xml.dll)

public override bool IsEmptyElement { get; }
/** @property */
public boolean get_IsEmptyElement ()

public override function get IsEmptyElement () : boolean

Not applicable.

Property Value

true if the current node is an element (NodeType equals XmlNodeType.Element) and it ends with />; otherwise, false.

NoteNote:

In the Microsoft .NET Framework version 2.0, the recommended practice is to create XmlReader instances using the XmlReaderSettings class and the Create method. This allows you to take full advantage of all the new features introduced in the .NET Framework. For more information, see Creating XML Readers.

This property enables you to determine the difference between the following:

<item num="123"/> (IsEmptyElement is true).

<item num="123"> (IsEmptyElement is false, although element content is empty).

A corresponding EndElement node is not generated for empty elements.

The following example displays the text content of each element.

using System;
using System.IO;
using System.Xml;

public class Sample 
{
  public static void Main()
  {
    XmlNodeReader reader = null;

    try
    {
       //Create and load the XML document.
       XmlDocument doc = new XmlDocument();
       doc.LoadXml("<book>" +
                   "<title>Pride And Prejudice</title>" +
                   "<price>19.95</price>" +
                   "<misc/>" +
                   "</book>"); 

       //Load the XmlNodeReader 
       reader = new XmlNodeReader(doc);
  
       //Parse the XML and display the text content of each of the elements.
       while (reader.Read()){
         if (reader.IsStartElement()){
           if (reader.IsEmptyElement)
              Console.WriteLine("<{0}/>", reader.Name);
           else{
               Console.Write("<{0}> ", reader.Name);
               reader.Read(); //Read the start tag.
               if (reader.IsStartElement())  //Handle nested elements.
                   Console.Write("\r\n<{0}>", reader.Name);
               Console.WriteLine(reader.ReadString());  //Read the text content of the element.
           }
         }
       } 
       
     } 

     finally 
     {
        if (reader != null)
          reader.Close();
      }
  }
  
} // End class

import System.*;
import System.IO.*;
import System.Xml.*;

public class Sample
{
    public static void main(String[] args)
    {
        XmlNodeReader reader = null;
        try {
            //Create and load the XML document.
            XmlDocument doc = new XmlDocument();
            doc.LoadXml("<book>"
                + "<title>Pride And Prejudice</title>"
                + "<price>19.95</price>"
                + "<misc/>" 
                + "</book>");

            //Load the XmlNodeReader 
            reader = new XmlNodeReader(doc);

            // Parse the XML and display the text content of 
            // each of the elements.
            while (reader.Read()) {
                if (reader.IsStartElement()) {
                    if (reader.get_IsEmptyElement()) {
                        Console.WriteLine("<{0}/>", reader.get_Name());
                    }
                    else {
                        Console.Write("<{0}> ", reader.get_Name());
                        //Read the start tag.
                        reader.Read(); 
                        //Handle nested elements.
                        if (reader.IsStartElement()) { 
                            Console.Write("\r\n<{0}>", reader.get_Name());
                        }
                        //Read the text content of the element.
                        Console.WriteLine(reader.ReadString()); 
                    }
                }
            }
        }     
        finally {
            if (reader != null) {
                reader.Close();
         }
      }
    } //main
} // End class Sample

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

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