you can use get_post_custom() which returns a multidimensional array with all custom fields of a particular post or page:
echo '<pre>';
print_r(get_post_custom($post_id));
echo '</pre>';
you can use get_post_custom() which returns a multidimensional array with all custom fields of a particular post or page:
echo '<pre>';
print_r(get_post_custom($post_id));
echo '</pre>';