You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'and id_cat= order by stt asc' at line 1syntax error: select * from table_product_item where hienthi=1 and tenkhongdau='xe-tap-lai-jac-h360-dao-tao-lai-xe-hang-c-906' and id_list= and id_cat= order by stt asc