A bag permits duplicates, so it has no primary key

Namespace:  NHibernate.Mapping
Assembly:  NHibernate (in NHibernate.dll)

Syntax

Visual Basic (Declaration)
Public Class Bag _
	Inherits Collection
C#
public class Bag : Collection
Visual C++
public ref class Bag : public Collection
JavaScript
NHibernate.Mapping.Bag = function();

Type.createClass(
	'NHibernate.Mapping.Bag',
	NHibernate.Mapping.Collection);

Inheritance Hierarchy

System..::.Object
  NHibernate.Mapping..::.Collection
    NHibernate.Mapping..::.Bag

See Also