add_prod.php - L-23   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 '
                grp_id=,
                code='',
                name='',
' at line 2  SQL:UPDATE dic_prod SET 
                cat_id=,
                grp_id=,
                code='',
                name='',
                price=
        WHERE id=