wordpress not displaying my form

This is correct behaviour. A simple echo will just return the field from the DB, unmodified.

if you want to render the shortcode try

<div class="first"><?php $recentProjects = get_post('275'); echo do_shortcode($recentProjects->post_content); ?> </div>

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