string select =
                @"select * from
                  (select @i := @i + CharacterCount as summ, abzac.*
                   from abzac, (select @i:=0) as z 
                   where @i <= ?toPage) as al
                  where (BookID = ?bookId or GlavaID = ?glavaId) and al.summ > ?fromPage and al.summ <= ?toPage;";

            MySqlCommand cmd = new MySqlCommand(select, new MySqlConnection(Connection.Get()));
            cmd.Parameters.Add("?fromPage", from);
            cmd.Parameters.Add("?toPage", to);
            cmd.Parameters.Add("?bookId", bookId);
            cmd.Parameters.Add("?glavaId", glavaId);
            cmd.Parameters.Add("@i", 0);
            cmd.CommandType = System.Data.CommandType.Text;
            cmd.Connection.Open();