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HasAttribute Method (String)
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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: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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