CI框架搜索中文后分页出错

如图：搜索中文分页出现错误，PHP处理代码我贴下面 求版主帮忙：

会员列表 */    public function member_list(){  //会员列表        $this->userdoaction_model->getPower(MBMBERPOWER,$this->userinfo,POWER1);        $this->load->language('admin/member');        $condition['display'] = 15;        $data['lang'] = $this->lang->line('HtmlLanguages');        $data['option']=$this->group_model->getgroupmemberNM();        $data['options']=array                        ( 'null'=>$data['lang']['space'],                          '1'=>$data['lang']['s'],                          '0'=>$data['lang']['e']                        );       // sort($data['option']);       // $this->load->library('pagination');        //$config=$this->config->item('page');        //$config['base_url'] = base_url().$data['lang']['memberlist'];urlencode($kw)        if($this->input->post('dospost'))        {                $condition=array                    (                       'group_id'=>$this->input->post('gid'),                       'username'=>$this->input->post('username'),                       'status'  =>$this->input->post('status')                     );                //print_r($Sel);                $gid = $this->input->post('gid');                $status = $this->input->post('status');                $username = urlencode($this->input->post('username'));                $condition['display']=15;            $num = $this->member_model->Selcount($condition);          $url = base_url()."/index.php/admin/member_list/";          $this->page->select = $gid."_".$status."_".$username;         $this->page_model->page($num,"15",1,$url);            $data['gid'] = $this->input->post('gid');         $data['username'] = $this->input->post('username');           $data['status'] = $this->input->post('status');           $data['page']=$this->page->pagenav;           $data['user'] = $this->member_model->Selmember($condition);        }else{         error_reporting(E_ALL);         $num = $this->member_model->countlist();;         $url = base_url()."/index.php/admin/member_list/";          $this->page->select = '0_null_0';         $this->page_model->page($num,"15",1,$url);            $data['page']=$this->page->pagenav;          // print_r($condition);          $data['user'] = $this->member_model->member_list($condition);         }         $this->load->view('admin/member_list',$data);

回复讨论(解决方案)

@xuzuning 求教

有大神帮忙看看吗

注意看它的错误信息
$total_rows 变量没定义

注意看它的错误信息
$total_rows 变量没定义 我在变量前面+@了 

主要的问题是 传递汉字参数分页出错 （谢谢你哈，帮我回答好多次）

你的代码没贴全，错误提示也贴出来。

解决了！
用iconv 有时候失效了！ 用以下代码：


$a=urldecode("%E5%90%89%E6%9E%97");
$a=mb_convert_encoding($a, 'GB2312', 'UTF-8'); 
echo $a;
?>