Codeigniter Call Controller From Controller

Question

After the last two comments, I\'ll dump out my real code and maybe it will help out:

Here is the landing Controller:

Answer 1

if u using HMVC just using

Class Models extends MX_Loader{

   function getUser($username){
       $sql="SELECT
                   *
              FROM
                   user
              WHERE username = ? "
       return $this->db->query($sql,array($username))->row();
   }
}