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 hienthi=1 and type='product' and tenkhongdau='adidas'' at line 1syntax error: select id,ten_vi,tenkhongdau,id_list from table_product_cat where id_list = and hienthi=1 and type='product' and tenkhongdau='adidas'