Gets an System.Xml.XmlQualifiedName that represents the SoapException.Detail element of a SOAP Fault code.
In building an System.Xml.XmlNode for the SoapException.Detail property, the System.Xml.XmlQualifiedName.Name and System.Xml.XmlQualifiedName.Namespace properties of SoapException.DetailElementName can be used to ensure consistency with the SOAP specification.