XmlNode.FirstChild XmlNode.FirstChild XmlNode.FirstChild XmlNode.FirstChild Property

定義

取得節點的第一個子節點。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; }
member this.FirstChild : System.Xml.XmlNode
Public Overridable ReadOnly Property FirstChild As XmlNode

屬性值

節點的第一個子節點。The first child of the node. 如果沒有這種節點,則會傳回 nullIf there is no such node, null is returned.

範例

下列範例會顯示 title 元素。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

備註

如需子節點的詳細資訊,請參閱W3C DOM (核心)層級1規格For information about child nodes, see the W3C DOM (Core) Level 1 specification

適用於