編輯

共用方式為


XmlNode.FirstChild Property

Definition

Gets the first child of the node.

public:
 virtual property System::Xml::XmlNode ^ FirstChild { System::Xml::XmlNode ^ get(); };
public virtual System.Xml.XmlNode FirstChild { get; }
public virtual System.Xml.XmlNode? FirstChild { get; }
member this.FirstChild : System.Xml.XmlNode
Public Overridable ReadOnly Property FirstChild As XmlNode

Property Value

The first child of the node. If there is no such node, null is returned.

Examples

The following example displays the title element.

#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;
   Console::WriteLine( "Display the title element..." );
   Console::WriteLine( root->FirstChild->OuterXml );
}
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;

    Console.WriteLine("Display the title element...");
    Console.WriteLine(root.FirstChild.OuterXml);
  }
}
Option Explicit
Option Strict

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
        
        Console.WriteLine("Display the title element...")
        Console.WriteLine(root.FirstChild.OuterXml)
    End Sub
End Class

Remarks

For information about child nodes, see the W3C DOM (Core) Level 1 specification

Applies to