NHibernate throws "PropertyNotFoundException" and noting gets persisted to the db. What is the proper way of doing this? Please post a working solution for loading/saving many-to-many relations using a collection in the two domain objects.
The database contains three tables: User, Role and UserRole for the many-to-many relationship..
<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.0">
<class name="FirstNHibernate.Domain.User, FirstNHibernate" table="User">
<id name="ID" column="Id" type="Int32" unsaved-value="0">
<generator class="native" />
</id>
<property name="Name" column="Name" type="String" length="50"/>
<bag name="Roles" table="UserRole" lazy="false">
<key column="UserID" />
<many-to-many column="RoleID" class="FirstNHibernate.Domain.Role, FirstNHibernate" />
</bag>
</class>
</hibernate-mapping>
<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.0">
<class name="FirstNHibernate.Domain.Role, FirstNHibernate" table="Role">
<id name="Id" column="Id" type="Int32" unsaved-value="0">
<generator class="native" />
</id>
<property name="Name" column= "Name" type="String" length="50"/>
<bag name="Users" table="UserRole" inverse="true" lazy="true">
<key column="RoleID" />
<many-to-many column="UserID" class="FirstNHibernate.Domain.User, FirstNHibernate" />
</bag>
</class>
</hibernate-mapping>
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