XML is case-sensitive1. use String.ToLower() and XmlDocument's LoadXml to create another DOM2. XPath does provide a translate function, but it is very inconvenient, see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnexxml/html/xml10212002.asphttp://msdn.microsoft.com/msdnmag/issues/02/01/xml/default.aspx
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnexxml/html/xml10212002.asphttp://msdn.microsoft.com/msdnmag/issues/02/01/xml/default.aspx