XmlNodeReader.MoveToNextAttribute Método

public:
 override bool MoveToNextAttribute();

public override bool MoveToNextAttribute ();

override this.MoveToNextAttribute : unit -> bool

Public Overrides Function MoveToNextAttribute () As Boolean

Devoluciones

Boolean

Es true si hay siguiente atributo; es false si no hay más atributos.

Ejemplos

En el ejemplo siguiente se lee un libro.

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
   XmlNodeReader^ reader = nullptr;
   try
   {
      
      //Create and load the XML document.
      XmlDocument^ doc = gcnew XmlDocument;
      doc->LoadXml( "<book genre='novel' ISBN='1-861003-78'> "
      "<title>Pride And Prejudice</title>"
      "<price>19.95</price>"
      "</book>" );
      
      //Load the XmlNodeReader 
      reader = gcnew XmlNodeReader( doc );
      
      //Read the attributes on the book element.
      reader->MoveToContent();
      while ( reader->MoveToNextAttribute() )
      {
         Console::WriteLine( "{0} = {1}", reader->Name, reader->Value );
      }
      
      //Move the reader to the title element.
      reader->Read();
      
      //Read the title and price elements.
      Console::WriteLine( reader->ReadElementString() );
      Console::WriteLine( reader->ReadElementString() );
   }
   finally
   {
      if ( reader != nullptr )
            reader->Close();
   }

}

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

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

    try
    {
       //Create and load the XML document.
       XmlDocument doc = new XmlDocument();
       doc.LoadXml("<book genre='novel' ISBN='1-861003-78'> " +
                   "<title>Pride And Prejudice</title>" +
                   "<price>19.95</price>" +
                   "</book>");

       //Load the XmlNodeReader
       reader = new XmlNodeReader(doc);

       //Read the attributes on the book element.
       reader.MoveToContent();
       while (reader.MoveToNextAttribute())
       {
         Console.WriteLine("{0} = {1}", reader.Name, reader.Value);
       }

       //Move the reader to the title element.
       reader.Read();

       //Read the title and price elements.
       Console.WriteLine(reader.ReadElementString());
       Console.WriteLine(reader.ReadElementString());
     }

     finally
     {
        if (reader != null)
          reader.Close();
      }
  }
} // End class

Option Explicit
Option Strict

Imports System.IO
Imports System.Xml

Public Class Sample
    
    Public Shared Sub Main()
        Dim reader As XmlNodeReader = Nothing
        
        Try
            'Create and load the XML document.
            Dim doc As New XmlDocument()
            doc.LoadXml("<book genre='novel' ISBN='1-861003-78'> " & _
                       "<title>Pride And Prejudice</title>" & _
                       "<price>19.95</price>" & _
                       "</book>")
            
            'Load the XmlNodeReader 
            reader = New XmlNodeReader(doc)
            
            'Read the attributes on the book element.
            reader.MoveToContent()
            While reader.MoveToNextAttribute()
                Console.WriteLine("{0} = {1}", reader.Name, reader.Value)
            End While
            
            'Move the reader to the title element.
            reader.Read()
            
            'Read the title and price elements.
            Console.WriteLine(reader.ReadElementString())
            Console.WriteLine(reader.ReadElementString())
        
        Finally
            If Not (reader Is Nothing) Then
                reader.Close()
            End If
        End Try
    End Sub
End Class

Comentarios

Si el nodo actual no es un nodo de atributo, este método es equivalente a MoveToFirstAttribute. Si MoveToNextAttribute devuelve true, el lector se mueve al atributo siguiente; de lo contrario, la posición del lector no cambia.

Se aplica a