XmlValidatingReader.MoveToFirstAttribute Method

Reference

Definition

Namespace:: System.Xml

Assemblies:: netstandard.dll, System.Xml.ReaderWriter.dll

Assembly:: System.Xml.ReaderWriter.dll

Assembly:: System.Xml.dll

Assembly:: netstandard.dll

Source:: XmlValidatingReader.cs

Source:: XmlValidatingReader.cs

Source:: XmlValidatingReader.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Moves to the first attribute.

public:
 override bool MoveToFirstAttribute();

public override bool MoveToFirstAttribute();

override this.MoveToFirstAttribute : unit -> bool

Public Overrides Function MoveToFirstAttribute () As Boolean

Returns

Boolean

true if an attribute exists (the reader moves to the first attribute); otherwise, false (the position of the reader does not change).

Examples

The following example reads an XML fragment.

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
   
   //Create the validating reader.
   XmlTextReader^ txtreader = gcnew XmlTextReader( "attrs.xml" );
   XmlValidatingReader^ reader = gcnew XmlValidatingReader( txtreader );
   
   //Read the genre attribute.
   reader->MoveToContent();
   reader->MoveToFirstAttribute();
   String^ genre = reader->Value;
   Console::WriteLine( "The genre value: {0}", genre );
   
   //Close the reader.
   reader->Close();
}

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

public class Sample
{
  public static void Main()
  {

    //Create the validating reader.
    XmlTextReader txtreader = new XmlTextReader("attrs.xml");
    XmlValidatingReader reader = new XmlValidatingReader(txtreader);

    //Read the genre attribute.
    reader.MoveToContent();
    reader.MoveToFirstAttribute();
    string genre=reader.Value;
    Console.WriteLine("The genre value: " + genre);

    //Close the reader.
    reader.Close();
  }
} // End class

Imports System.IO
Imports System.Xml

public class Sample 

  public shared sub Main()

    'Create the validating reader.
    Dim txtreader as XmlTextReader = new XmlTextReader("attrs.xml")
    Dim reader as XmlValidatingReader = new XmlValidatingReader(txtreader)

    'Read the genre attribute.
    reader.MoveToContent()
    reader.MoveToFirstAttribute()
    Dim genre As String = reader.Value
    Console.WriteLine("The genre value: " & genre)

    'Close the reader.
    reader.Close()

  End sub
End class

Remarks

Note

The XmlValidatingReader class is obsolete in .NET Framework 2.0. You can create a validating XmlReader instance by using the XmlReaderSettings class and the Create method. For more information, see the Remarks section of the XmlReader reference page.

Applies to

Product	Versions
.NET	Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0, 2.1

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