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-ben-veam-vb1110-4420-x-2260-2060-x-930-750--288' and id_list= and id_cat= order by stt asc