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='lien-ket-banh-rang-so-1-t-thu-cap-xe-tai-cuu-long-641' and id_list= and id_cat= order by stt asc