編輯

共用方式為


XmlNode.Item[] Property

Definition

Gets the specified child element.

Overloads

Item[String]

Gets the first child element with the specified Name.

Item[String, String]

Gets the first child element with the specified LocalName and NamespaceURI.

Item[String]

Source:
XmlNode.cs
Source:
XmlNode.cs
Source:
XmlNode.cs

Gets the first child element with the specified Name.

public:
 virtual property System::Xml::XmlElement ^ default[System::String ^] { System::Xml::XmlElement ^ get(System::String ^ name); };
public virtual System.Xml.XmlElement this[string name] { get; }
public virtual System.Xml.XmlElement? this[string name] { get; }
member this.Item(string) : System.Xml.XmlElement
Default Public Overridable ReadOnly Property Item(name As String) As XmlElement

Parameters

name
String

The qualified name of the element to retrieve.

Property Value

The first XmlElement that matches the specified name. It returns a null reference (Nothing in Visual Basic) if there is no match.

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[ "title" ]->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["title"].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("title").OuterXml)
    End Sub
End Class

Remarks

This property is a Microsoft extension to the Document Object Model (DOM).

Applies to

Item[String, String]

Source:
XmlNode.cs
Source:
XmlNode.cs
Source:
XmlNode.cs

Gets the first child element with the specified LocalName and NamespaceURI.

public:
 virtual property System::Xml::XmlElement ^ default[System::String ^, System::String ^] { System::Xml::XmlElement ^ get(System::String ^ localname, System::String ^ ns); };
public virtual System.Xml.XmlElement this[string localname, string ns] { get; }
public virtual System.Xml.XmlElement? this[string localname, string ns] { get; }
member this.Item(string * string) : System.Xml.XmlElement
Default Public Overridable ReadOnly Property Item(localname As String, ns As String) As XmlElement

Parameters

localname
String

The local name of the element.

ns
String

The namespace URI of the element.

Property Value

The first XmlElement with the matching localname and ns. It returns a null reference (Nothing in Visual Basic) if there is no match.

Remarks

This property is a Microsoft extension to the Document Object Model (DOM).

Applies to