Elements and attributes must be qualified with a namespace prefix.
Syntax
[System.Xml.Serialization.XmlEnum("qualified")]
XmlSchemaForm Qualified Remarks
Requirements
Namespace: System.Xml.Schema
Assembly: System.Xml (in System.Xml.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0, 4.0.0.0