asp.net使用access的比较高效的分页代码

/// <summary>
        /// 对电影进行分页(这里用sql效率比较高)
        /// </summary>
        /// <param name="myPageSize">每页显示的条数</param>
        /// <param name="myPageIndex">读取第几页</param>
        /// <param name="typeId">类别Id</param>
        /// <returns></returns>
        public DataSet PageFilms(int myPageSize,int myPageIndex,int typeId)
        {
           string condition = "typeID>0";
           if (typeId>0)
                condition = "typeID=" + typeId.ToString();

            string sql = "select top "+myPageSize+" id,name,fromCountry,director,players, hits, typeId,pDate  from films where "+condition+" order by id DESC ";

            //如果当前页码不为0
            if (myPageIndex > 1)
           //效率太低，所以改用下面的语句
          //      sql = "select top " + myPageSize + " id,name,fromCountry,director,players, hits, typeId,pDate from films where id not in (select top " + (myPageSize - 1) * myPageIndex + "  id from films  order by id DESC) order by id DESC";
                sql = "select top " + myPageSize + " id,name,fromCountry,director,players, hits, typeId,pDate from films where id < (Select Min(id) from(select top " + (myPageSize - 1) * myPageIndex + "  id from films  order by id DESC) as T)  and "+condition+" order by id DESC";

            OleDbCommand cmd = new OleDbCommand(sql,dbConn.conn);
            OleDbDataAdapter da = new OleDbDataAdapter(cmd);
            DataSet ds = null;
            try
            {
                dbConn.Open();
           &nb

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