Remove an attribute from the document. : Attribute « XML « VB.Net Tutorial

Imports System
Imports System.IO
Imports System.Xml

public class Sample

  public shared sub Main()

    Dim doc as XmlDocument = new XmlDocument()
    doc.LoadXml("<book genre='novel' ISBN='11111111111'>" & _
                "<title>AAA</title>" & _
                "</book>")      

    'Create an attribute collection and remove an attribute
    'from the collection.  
    Dim attrColl as XmlAttributeCollection = doc.DocumentElement.Attributes
    attrColl.Remove(attrColl.ItemOf("genre"))

    Console.WriteLine("Display the modified XML...")
    Console.WriteLine(doc.OuterXml)

  end sub
end class

25.9.Attribute
	25.9.1.	Display all the attributes in the collection.
	25.9.2.	Creates an attribute and adds it to an XML document.
	25.9.3.	Assigns the XmlArrayAttribute to two arrays, and serializes a class instance that contains those arrays.
	25.9.4.	Remove an attribute from the document.
	25.9.5.	Adds an attribute to an element.
	25.9.6.	Get the value of the ISBN attribute.