XElement.SetAttributeValue sets the value of an attribute, adds an attribute, or removes an attribute.
Imports System
Imports System.Xml
Imports System.Xml.XPath
Public Class MainClass
Public Shared Sub Main()
Dim root As XElement = <Root/>
root.SetAttributeValue("Att1", 1)
root.SetAttributeValue("Att2", 2)
root.SetAttributeValue("Att3", 3)
Console.WriteLine(root)
root.SetAttributeValue("Att2", 22)
Console.WriteLine(root)
root.SetAttributeValue("Att3", Nothing)
Console.WriteLine(root)
End Sub
End Class
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