XmlTextReader.MoveToFirstAttribute Metode

Definisi

Ruang nama:

System.Xml

Rakitan:

netstandard.dll, System.Xml.ReaderWriter.dll

Sumber:

XmlTextReader.cs

Berpindah ke atribut pertama.

public:
 override bool MoveToFirstAttribute();

public override bool MoveToFirstAttribute();

override this.MoveToFirstAttribute : unit -> bool

Public Overrides Function MoveToFirstAttribute () As Boolean

Mengembalikan

Boolean

true jika ada atribut (pembaca berpindah ke atribut pertama); jika tidak, false (posisi pembaca tidak berubah).

Contoh

Contoh berikut mendapatkan nilai atribut pertama dari simpul akar.

using System;
using System.IO;
using System.Xml;

public class Sample
{
  public static void Main()
  {
    XmlTextReader reader = null;

    try
    {
       //Load the reader with the XML file.
       reader = new XmlTextReader("attrs.xml");

       //Read the genre attribute.
       reader.MoveToContent();
       reader.MoveToFirstAttribute();
       string genre=reader.Value;
       Console.WriteLine("The genre value: " + genre);
     }
     finally
     {
        if (reader != null)
          reader.Close();
      }
  }
} // End class

Imports System.IO
Imports System.Xml

Public Class Sample
   
   Public Shared Sub Main()
      Dim reader As XmlTextReader = Nothing
      
      Try
         'Load the reader with the XML file.
         reader = New XmlTextReader("attrs.xml")
         
         'Read the genre attribute.
         reader.MoveToContent()
         reader.MoveToFirstAttribute()
         Dim genre As String = reader.Value
         Console.WriteLine("The genre value: " & genre)
      
      Finally
         If Not (reader Is Nothing) Then
            reader.Close()
         End If
      End Try
   End Sub
End Class

Contohnya menggunakan file, attrs.xml, sebagai input.

<book genre='novel' ISBN='1-861003-78' pubdate='1987'>
</book>

Keterangan

Note

Kami menyarankan Anda membuat instans XmlReader untuk memanfaatkan fungsionalitas baru dengan menggunakan metode XmlReader.Create.

Lihat juga

• XmlReader