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XmlNode.HasChildNodes Property

Gets a value indicating whether this node has any child nodes.

[Visual Basic]
Public Overridable ReadOnly Property HasChildNodes As Boolean
[C#]
public virtual bool HasChildNodes {get;}
[C++]
public: __property virtual bool get_HasChildNodes();
[JScript]
public function get HasChildNodes() : Boolean;

Property Value

true if the node has child nodes; otherwise, false.

Example

[Visual Basic, C#, C++] The following example displays all the child nodes of the root element.

[Visual Basic] 
Option Strict
Option Explicit

Imports System
Imports System.IO
Imports System.Xml

Public Class Sample
    
    Public Shared Sub Main()
        
        Dim doc As New XmlDocument()
        doc.LoadXml("<book ISBN='1-861001-57-5'>" & _
                    "<title>Pride And Prejudice</title>" & _
                    "<price>19.95</price>" & _
                    "</book>")
        
        Dim root As XmlNode = doc.FirstChild
        
        'Display the contents of the child nodes.
        If root.HasChildNodes Then
            Dim i As Integer
            For i = 0 To root.ChildNodes.Count - 1
                Console.WriteLine(root.ChildNodes(i).InnerText)
            Next i
        End If
    End Sub 'Main
End Class 'Sample

[C#] 
using System;
using System.IO;
using System.Xml;

public class Sample {

  public static void Main() {

    XmlDocument doc = new XmlDocument();
    doc.LoadXml("<book ISBN='1-861001-57-5'>" +
                "<title>Pride And Prejudice</title>" +
                "<price>19.95</price>" +
                "</book>");

    XmlNode root = doc.FirstChild;

    //Display the contents of the child nodes.
    if (root.HasChildNodes)
    {
      for (int i=0; i<root.ChildNodes.Count; i++)
      {
        Console.WriteLine(root.ChildNodes[i].InnerText);
      }
    }
  }
}

[C++] 
#using <mscorlib.dll>
#using <System.Xml.dll>
using namespace System;
using namespace System::IO;
using namespace System::Xml;

int main()
{
  XmlDocument* doc = new XmlDocument();
  doc->LoadXml(S"<book ISBN='1-861001-57-5'>" 
               S"<title>Pride And Prejudice</title>" 
               S"<price>19.95</price>" 
               S"</book>");

  XmlNode* root = doc->FirstChild;

  //Display the contents of the child nodes.
  if (root->HasChildNodes)
  {
    for (int i=0; i<root->ChildNodes->Count; i++)
    {
      Console::WriteLine(root->ChildNodes->ItemOf[i]->InnerText);
    }
  }
}

[JScript] No example is available for JScript. To view a Visual Basic, C#, or C++ example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, .NET Compact Framework

See Also

XmlNode Class | XmlNode Members | System.Xml Namespace

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