protected void Button8_Click(object sender, EventArgs e) { UserDao userDao = new UserDao(); NameValueCollection name = new NameValueCollection(); name.Add("Age", "ASC"); name.Add("Id", "DESC"); Hashtable ht = new Hashtable(); ht.Add("Age>", 12); int startIndex = 1; int pageSize = 2; name = null; ht = null; IList<User> list = userDao.SelectByPage(startIndex, pageSize, ht, name); Response.Write(list.Count + "," + list[0].Id + "," + list[1].Id); }