true if an attribute exists (the reader moves to the first attribute); otherwise, false (the position of the reader does not change).
The System.Xml.XmlValidatingReader class is obsolete in dnprdnext. You can create a validating System.Xml.XmlReader instance by using the System.Xml.XmlReaderSettings class and the erload:System.Xml.XmlReader.Create method. For more information, see Validating XML Data with XmlReader.