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 type='sanpham' and hienthi=1 order by stt,id desc' at line 1syntax error: select ten,id,tenkhongdau,photo,gia,giacu from table_product where id in() and type='sanpham' and hienthi=1 order by stt,id desc