語言

XmlElement.HasAttributes 屬性

定義

命名空間:
System.Xml
組件:
System.Xml.dll, System.Xml.XmlDocument.dll
組件:
netstandard.dll, System.Xml.ReaderWriter.dll
組件:
System.Xml.XmlDocument.dll
組件:
System.Xml.ReaderWriter.dll
組件:
System.Xml.dll
組件:
netstandard.dll
來源:
XmlElement.cs
來源:
XmlElement.cs
來源:
XmlElement.cs
來源:
XmlElement.cs
來源:
XmlElement.cs

會取得 boolean 一個值，表示目前節點是否有任何屬性。

public:
 virtual property bool HasAttributes { bool get(); };
public virtual bool HasAttributes { get; }
member this.HasAttributes : bool
Public Overridable ReadOnly Property HasAttributes As Boolean

屬性值

Boolean

true如果目前節點有屬性;否則，。 false

範例

以下範例將根元素中的所有屬性移除。

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;

    // Remove all attributes from the root element.
    if (root.HasAttributes)
      root.RemoveAllAttributes();

    Console.WriteLine("Display the modified XML...");
    Console.WriteLine(doc.InnerXml);
  }
}

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

    ' Remove all attributes.
    if (root.HasAttributes)
      root.RemoveAllAttributes()
    end if

    Console.WriteLine("Display the modified XML...")
    Console.WriteLine(doc.InnerXml)

  end sub
end class

備註

此屬性是 Microsoft 對文件物件模型（DOM）的擴充。

適用於