Represents the union element for simple types from XML Schema as specified by the World Wide Web Consortium (W3C). A union datatype can be used to specify the content of a simpleType. The value of the simpleType element must be any one of a set of alternative datatypes specified in the union. Union types are always derived types and must comprise at least two alternative datatypes.
See Also: XmlSchemaSimpleTypeUnion Members
A union type enables an element or attribute value to be one or more instances of one type drawn from the union of multiple atomic and list types.