title: How to redirect to different admin page in Wordpress?
body: <p>I am writing a Wordpress plugin. </p>
  
  <p>I want to perform a redirect (after creating DB records from POST data, etc...) to other ADMIN page.</p>
  
  <p>Neither header("Location: ...) nor wp_redirect() work - i get</p>
  
  <p>Warning: Cannot modify header information - headers already sent by </p>
  
  <p>which comes from obvious reason.</p>
  
  <p>How do I properly perform a redirect in a Wordpress?</p>