I have this class-structure:
class Parent{
long Id{get;set;}
string Name{get;set;}
}
with this mapping:
<class name="Parent" >
<id name="Id"unsaved-value="0">
<generator class="native" />
</id>
<property name="Name"/>
<bag name="Children" access="none">
<key column="ParentId" />
<one-to-many class="Child" />
</bag>
</class>
I'm trying to get some Parents with a criteria:
ISession session = sessionFactory.OpenSession();
IList<Parent> parents;
using(session.BeginTransaction()) {
parents = session.CreateCriteria(typeof(Parent))
.CreateCriteria("Children")
.Add(Expression.Eq("Name", name))
.SetResultTransformer(Transformers.DistinctRootEntity )
.List<Parent>();
session.Transaction.Commit();
}
On Commit() an exception occours because NHibernate tries to update
the ParentId of the child with null. I've tried to use cascade="none"
but without any efect. If I have a private field with a List of
children in Parent there is no Problem.
Why is Nhibernate doing this?
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