public function viewAddTagihanPb()
 {
     if (isset($_POST['kd_kontrak']) && isset($_POST['kd_biaya'])) {
         $kontrak = new Kontrak();
         $data_kontrak = $kontrak->get_by_id($_POST['kd_kontrak']);
         $penerima = new Penerima($this->registry);
         $pb = $penerima->get_penerima_by_kd_jur_thn_masuk($data_kontrak->kd_jurusan, $data_kontrak->thn_masuk_kontrak);
         $penerima_biaya = new PenerimaBiayaKontrak();
         $this->view->pb = $pb;
         $this->view->penerima_biaya = $penerima_biaya;
         $this->view->kd_biaya = $_POST['kd_biaya'];
         $this->view->load('kontrak/add_pb_to_tagihan_dialog');
     }
 }