XmlElement.GetAttributeNode 方法

定義

傳回指定的 XmlAttribute

多載

GetAttributeNode(String)

傳回具有指定名稱的 XmlAttribute

GetAttributeNode(String, String)

傳回具有指定區域名稱和命名空間 URI 的 XmlAttribute

GetAttributeNode(String)

傳回具有指定名稱的 XmlAttribute

public:
 virtual System::Xml::XmlAttribute ^ GetAttributeNode(System::String ^ name);
public virtual System.Xml.XmlAttribute GetAttributeNode (string name);
public virtual System.Xml.XmlAttribute? GetAttributeNode (string name);
abstract member GetAttributeNode : string -> System.Xml.XmlAttribute
override this.GetAttributeNode : string -> System.Xml.XmlAttribute
Public Overridable Function GetAttributeNode (name As String) As XmlAttribute

參數

name
String

要擷取之屬性的名稱。 這是限定名稱。 它會與符合節點的 Name 屬性比對。

傳回

XmlAttribute

找不到相符的屬性時所指定的 XmlAttributenull

範例

下列範例會檢查項目是否具有指定的屬性。

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
   XmlDocument^ doc = gcnew XmlDocument;
   doc->LoadXml( "<book genre='novel' ISBN='1-861001-57-5'><title>Pride And Prejudice</title></book>" );
   XmlElement^ root = doc->DocumentElement;
   
   // Check to see if the element has a genre attribute.
   if ( root->HasAttribute( "genre" ) )
   {
      XmlAttribute^ attr = root->GetAttributeNode( "genre" );
      Console::WriteLine( attr->Value );
   }
}
using System;
using System.IO;
using System.Xml;

public class Sample
{
  public static void Main()
  {

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

    XmlElement root = doc.DocumentElement;

    // Check to see if the element has a genre attribute.
    if (root.HasAttribute("genre")){
      XmlAttribute attr = root.GetAttributeNode("genre");
      Console.WriteLine(attr.Value);
   }
  }
}
Imports System.IO
Imports System.Xml

public class Sample

  public shared sub Main()

    Dim doc as XmlDocument = new XmlDocument()
    doc.LoadXml("<book genre='novel' ISBN='1-861001-57-5'>" & _
                "<title>Pride And Prejudice</title>" & _
                "</book>")      

    Dim root as XmlElement = doc.DocumentElement

    ' Check to see if the element has a genre attribute.
    if (root.HasAttribute("genre"))
     Dim attr as XmlAttribute = root.GetAttributeNode("genre")
     Console.WriteLine(attr.Value)
    end if
       
    Console.WriteLine("Display the modified XML...")
    Console.WriteLine(doc.InnerXml)

  end sub
end class

適用於

GetAttributeNode(String, String)

傳回具有指定區域名稱和命名空間 URI 的 XmlAttribute

public:
 virtual System::Xml::XmlAttribute ^ GetAttributeNode(System::String ^ localName, System::String ^ namespaceURI);
public virtual System.Xml.XmlAttribute GetAttributeNode (string localName, string namespaceURI);
public virtual System.Xml.XmlAttribute? GetAttributeNode (string localName, string? namespaceURI);
abstract member GetAttributeNode : string * string -> System.Xml.XmlAttribute
override this.GetAttributeNode : string * string -> System.Xml.XmlAttribute
Public Overridable Function GetAttributeNode (localName As String, namespaceURI As String) As XmlAttribute

參數

localName
String

屬性的本機名稱。

namespaceURI
String

屬性的命名空間 URI。

傳回

XmlAttribute

找不到相符的屬性時所指定的 XmlAttributenull

適用於