[TestMethod]
        public void CheckRowCount()
        {
            Repository repository = new Repository();
            int rowCount = repository.GetRowCount<RecordOfAdvice>();
            RecordOfAdvice r5 = new RecordOfAdvice(1);
            RecordOfAdvice r4 = new RecordOfAdvice(1);
            RecordOfAdvice r3 = new RecordOfAdvice(1);
            RecordOfAdvice r2 = new RecordOfAdvice(1);
            RecordOfAdvice r1 = new RecordOfAdvice(1);
            r1.Save();
            r2.Save();
            r3.Save();
            r4.Save();
            r5.Save();
            Assert.AreEqual(rowCount +5, repository.GetRowCount<RecordOfAdvice>());

        }

public int GetRowCount<T>() where T: IEntity
    {
        string typeName = typeof(T).Name;
        IList listCount = Session.Find(String.Format("select count(*) from {0}", typeName));
        int count = Convert.ToInt32(listCount[0].ToString());
        return count;
    }