I've seen this question a few times, generally answered with 'the session has been closed so you need to open it'

In this scenario -
Class Order
{
int Id
IList<Item> Items;
}
Class Item
{
int Id
string Name;
}

if All Orders are loaded
IList<Order> itemList;
using(ISession session = _sessionFactory.OpenSession())
{
ICriteria targetObjects = _session.CreateCriteria(typeof(Order));
itemList = targetObjects.List<Order>();
}
and the Items are Lazy Loaded
Then having the following
itemList[0].Items[0].Name will result in an exception - failed to lazily initialize a collection of role....

Is there a way to configure the Mapping File, maybe using a Proxy, so that the Session is Automatically Opened to load the Items for that Order when accessed?

thanks

If I understood your question, you can use
lazy="true", on your mapping files.

[]s