.NET Framework Class Library
XmlNode.HasChildNodes Property
Gets a value indicating whether this node has any child nodes.
Assembly: System.Xml (in System.Xml.dll)
Syntax
Visual Basic
Public Overridable ReadOnly Property HasChildNodes As Boolean Get
C#
public virtual bool HasChildNodes { get; }
Visual C++
public: virtual property bool HasChildNodes { bool get (); }
F#
abstract HasChildNodes : bool override HasChildNodes : bool
Examples
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); } } } }
Visual C++
#using <System.Xml.dll> using namespace System; using namespace System::IO; using namespace System::Xml; int main() { XmlDocument^ doc = gcnew 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 ); } } }
Version Information
.NET Framework
Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0.NET Framework Client Profile
Supported in: 4, 3.5 SP1Platforms
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
See Also