XmlReader.NamespaceURI Property
Silverlight
When overridden in a derived class, gets the namespace URI (as defined in the W3C Namespace specification) of the node on which the reader is positioned.
Namespace: System.Xml
Assembly: System.Xml (in System.Xml.dll)
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.