XmlNodeReader.MoveToAttribute Método

public:
 override void MoveToAttribute(int attributeIndex);

public override void MoveToAttribute (int attributeIndex);

override this.MoveToAttribute : int -> unit

Public Overrides Sub MoveToAttribute (attributeIndex As Integer)

Parâmetros

Exceções

Exemplos

O exemplo a seguir lê todos os atributos no nó raiz.

#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' publicationdate='1987'> "
      "</book>" );
      
      //Load the XmlNodeReader 
      reader = gcnew XmlNodeReader( doc );
      
      //Read the attributes on the root element.
      reader->MoveToContent();
      if ( reader->HasAttributes )
      {
         for ( int i = 0; i < reader->AttributeCount; i++ )
         {
            reader->MoveToAttribute( i );
            Console::WriteLine( "{0} = {1}", reader->Name, reader->Value );

         }
         reader->MoveToElement();
      }
   }
   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' publicationdate='1987'> " +
                   "</book>");

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

       //Read the attributes on the root element.
       reader.MoveToContent();
       if (reader.HasAttributes){
         for (int i=0; i<reader.AttributeCount; i++){
            reader.MoveToAttribute(i);
            Console.WriteLine("{0} = {1}", reader.Name, reader.Value);
         }
         //Return the reader to the book element.
         reader.MoveToElement();
       }
     }

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

Option Strict
Option Explicit

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' publicationdate='1987'> " & _
                       "</book>")
            
            'Load the XmlNodeReader 
            reader = New XmlNodeReader(doc)
            
            'Read the attributes on the root element.
            reader.MoveToContent()
            If reader.HasAttributes Then
                Dim i As Integer
                For i = 0 To reader.AttributeCount - 1
                    reader.MoveToAttribute(i)
                    Console.WriteLine("{0} = {1}", reader.Name, reader.Value)
                Next i
                'Return the reader to the book element.
                reader.MoveToElement()
            End If
        
        Finally
            If Not (reader Is Nothing) Then
                reader.Close()
            End If
        End Try
    End Sub
End Class

Comentários

public:
 override bool MoveToAttribute(System::String ^ name);

public override bool MoveToAttribute (string name);

override this.MoveToAttribute : string -> bool

Public Overrides Function MoveToAttribute (name As String) As Boolean

Parâmetros

Retornos

Boolean

true se o atributo for encontrado; caso contrário, false. Se false, a posição do leitor não será alterada.

Comentários

Depois de chamar esse método, o Name, NamespaceURIe Prefix as propriedades refletem as propriedades desse atributo.

public:
 override bool MoveToAttribute(System::String ^ name, System::String ^ namespaceURI);

public override bool MoveToAttribute (string name, string? namespaceURI);

public override bool MoveToAttribute (string name, string namespaceURI);

override this.MoveToAttribute : string * string -> bool

Public Overrides Function MoveToAttribute (name As String, namespaceURI As String) As Boolean

Parâmetros

Retornos

Boolean

true se o atributo for encontrado; caso contrário, false. Se false, a posição do leitor não será alterada.

Comentários

Depois de chamar esse método, o Name, NamespaceURIe Prefix as propriedades refletem as propriedades desse atributo.