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='dai-ly-ban-xe-tai-dongben-chuyen-cung-cap-cac-loai-xe-tai-750kg-850kg-ban-tai-35-cho-ngoi-599' and id_list= and id_cat= order by stt asc