WP_query problem -spurious results

Ids 7 & 11 are probably sticky posts.

Try this:

$args = array( 
 'post_type' => 'page',
 'post__in' => array(24, 26, 28),
 'ignore_sticky_posts' => 1
);

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)