NHibernate无法从数据库中获取新数据

I am using NHibernate to as the Data Access layer for my ASP.NET MVC application. I am also using Structure Map as an IoC container. I have configured Structre map to create a session factory as a singleton and create sessions on a per request basis (InstanceScope.Hybrid). I am able to do basic CRUD operations just fine.I am using NHibernate to as the Data Access lay