那你就在gridview里排一下序!
SqlDataAdapter sdr = new SqlDataAdapter("select * from AA ",con);
DataSet ds = new DataSet();
sdr.Fill(ds, "se");
DataView dv = new DataView(ds.Tables["se"]);///
dv.Sort = "id desc";//或者是"id asc";这就看你的需要了
gridview1.DataSource = dv;