categories and tags doesnt show up in custom post list.

[od3n]

i created custom taxonomies for category and tags. but they doesnt show up in post list.

is_post_type doesnt works well.

is_post_type is not a query conditional tag -- use is_singular( $post_type ). The Codex documents this.

custom taxonomies need show_ui => true to show up.

Closing as worksforme -- please try the support forums: ​http://wordpress.org/support.

the taxonomies shown up on menu. but not on posts list.

You need to register those columns (the ones on edit.php) yourself.

any possible to use hook like manage_posts_custom_column function without touch the core files?

That's exactly the hook you'd use.

why doesnt it show up automatically the custom taxnonomies which we assigned to them?