Xsi:noNamespaceSchemaLocation Attribute Binding Support
This topic is specific to a legacy technology. XML Web services and XML Web service clients should now be created using Windows Communication Foundation.
The .NET Framework does not provide binding support for the noNamespaceSchemaLocation attribute.
The XmlSerializer class does not recognize the xsi:noNamespaceSchemaLocation attribute.
Explanation
The XmlSerializer class does not recognize the xsi:noNamespaceSchemaLocation attribute. (The prefix xsi is used for the XML Schema instance namespace, http://www.w3.org/2001/XMLSchema-instance and applies to XML instance documents intended to conform to specified XML schemas.)
Possible containing elements: any instance element