How to select next rows from database in C#?

con.Open();
           String sql = "SELECT * from bills order by sr_no OFFSET 10 ROWS ONLY ";
           cmd = new OleDbCommand(sql, con);
           dr1 = cmd.ExecuteReader(CommandBehavior.CloseConnection);
           dataGridView1.Rows.Clear();
           while (dr1.Read() == true)
           {
               dataGridView1.Rows.Add(dr1[0], dr1[3]);
           }
           con.Close();