Type Reason InvalidOperationException Any call to this method.
In the dnprdnext release, the recommended practice is to create System.Xml.XmlReader instances using the erload:System.Xml.XmlReader.Create method. This allows you to take full advantage of the new features introduced in this release. For more information, see Creating XML Readers.
If the reader is positioned on an EntityReference node (XmlNodeType.EntityReference), if XmlTextReader.Read is called after calling this method, the entity replacement text is parsed. When the entity replacement text is finished, an EndEntity node is returned to close the entity reference scope.
After calling this method, if the entity is part of an attribute value, you must call XmlTextReader.ReadAttributeValue to step into the entity.