a class that inherits the DataSet class
a custom DataSet descendent that has all of the DataColumns included as properties
a custom object that derives from the DataSet base class
a dataset that is created, based a given XML Schema definition (XSD) file
a DataSet that is derived from the base DataSet class that applies the information contained in a XSD to generate a typed class
a dataset that is first derived from the base DataSet class and then uses information in an XML Schema file (an
a generated class that is derived from the
a subclass of the standard ADO