Help me with Pagination with pjax

PHP Code:
$this->load->library('pagination');

        $FilterData = $this->input->get();

        $config = bootstrapPagination();
        $config['base_url'] = main_url('members');
        
        $config["total_rows"] = $this->member->browse_search_total($FilterData);
        $config["per_page"] = PER_PAGE;
        $config['reuse_query_string'] = TRUE;
        $this->pagination->initialize($config);

        $data["links"] = $this->pagination->create_links();

        $data['members'] = $this->member->browse_search($FilterData, PER_PAGE, $offset);


        $this->pagination->initialize($config);

        $data['links'] = $this->pagination->create_links();

 if (isset($_SERVER['HTTP_X_PJAX']) && $_SERVER['HTTP_X_PJAX'] == TRUE)
        {
            $this->load->view('show_members', $data);
        } else
        {

            $this->output->set_template('frontend');
            $this->output->set_title('Members | ' . sitename());
            $this->load->view('show_members', $data);
        }