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XmlElement.HasAttribute Method (String)

Determines whether the current node has an attribute with the specified name.

Namespace:  System.Xml
Assembly:  System.Xml (in System.Xml.dll)

public virtual bool HasAttribute(
	string name
)

Parameters

name
Type: System.String

The name of the attribute to find. This is a qualified name. It is matched against the Name property of the matching node.

Return Value

Type: System.Boolean
true if the current node has the specified attribute; otherwise, false.

The following example checks to see if the element has the specified attribute.

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;

    // Check to see if the element has a genre attribute. 
    if (root.HasAttribute("genre")){
      String genre = root.GetAttribute("genre");
      Console.WriteLine(genre);
   }

  }
}

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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