Page is not redirecting to URL? - php

Question

I'm working on PHP-CodeIgniter project. I'm using ION Auth library for authentication.
My question is when I'm copy paste table data to Excel sheet, and then click on links copied to excel are not properly redirect to particular page. If I hover mouse on the link it shows proper address, but while clicking on it then it redirects to Dashboard not to particular page, their is a Active session data, but it redirects to Dashboard only.
Controller code:
<?php (defined('BASEPATH')) OR exit('No direct script access allowed');
class Auth extends CI_Controller
{
function __construct()
{
parent::__construct();
// $this->load->library('');
$this->load->model('Landlord_m', 'l');
}
public function index()
{
redirect('auth/login');
}
public function login()
{
if( $this->ion_auth->logged_in() ) redirect('dashboard');
$this->form_validation->set_rules('email', 'email', 'required|valid_email|trim');
$this->form_validation->set_rules('password', 'password', 'required|trim');
$this->form_validation->set_message('required', 'Please enter your %s');
// Validate form
if( $this->form_validation->run() )
{
$remember = (bool) $this->input->post('remember');
// Check login
if( $this->ion_auth->login($this->input->post('email'), $this->input->post('password'), $remember) )
{
// Login was successful
redirect('dashboard', 'refresh');
}
else
{
// Login was un-successful
$this->session->set_flashdata('message', $this->ion_auth->errors());
redirect('auth/login', 'refresh');
}
}
else
{
$data['message'] = $this->session->flashdata('message');
$this->load->view('auth/login', $data);
}
}
public function logout()
{
if( $this->ion_auth->logout() )
redirect('auth/login');
else
die("There was an error logging you out");
}
Any kind of help is welcome, Thanks in advance.