public function remove_portfolio($portfolioId = NULL)
 {
     if (!$this->securitypolicy->validateAccessRight(3, 'remove')) {
         $this->load->view('access_denied');
     }
     if ($this->input->post('portfolio-id')) {
         $portfolioId = $this->input->post('portfolio-id');
     }
     if (isset($portfolioId)) {
         $portfolio = new Portfolio();
         $portfolio->remove($portfolioId);
         $this->session->set_userdata(array('status' => 'success'));
         redirect(site_url('Admin/view_hotel_portfolio_list'));
     } else {
         show_error('Portfolio ID is missing');
     }
 }