public IList<Student> GetStudentByPage(int pageSize, int pageIndex, string SName)        {            ISession session = NHibernateHelper.GetCurrentSession();            ITransaction trans = session.BeginTransaction();            //HQL查询            IList<Student> studentList = new List<Student>();            //string sql = "from Student";            //studentList = session.CreateQuery(sql)            //    .SetFirstResult((pageIndex - 1) * pageSize)            //    .SetMaxResults(pageSize)            //    .List<Student>();            //SQL查询            //studentList = session.CreateSQLQuery("SELECT * FROM Student")            //    .SetFirstResult((pageIndex - 1) * pageSize)            //    .SetMaxResults(pageSize)            //    .SetResultTransformer(Transformers.AliasToBean<Student>()).List<Student>();            return studentList;        }