I am trying to insert data stored in a link list into database using NHibernate via Fluenlty.
Here my code (simplified):

public static void SaveUpdate(object obj, bool doFlush)
{
using (var session = _sessionFactory.OpenSession())
{
session.SaveOrUpdate(obj); session.Flush();
}
}
Exception: No persister for: System.Collections.Generic.List`1[[BlueCrest.DataValidation.ValidationRuleDataModel.ValidationRuleBreakDetail, BlueCrest.DataValidation.VR_BreakDetail, Version=0.1.3751.29429, Culture=neutral, PublicKeyToken=null]]

Work around I found:
list.ForEach(l => SessionFactory.SaveUpdate(l));
SessionFactory.Flush();
But, I think this is saving one record at a time.

How can i insert the enitre list into database?
Thanks
Leonard