public function editbfield()
 {
     $err = array();
     if ($_POST['_type'] == 3) {
         $model_bfield = model_business_field::find($_POST['bfield_id']);
         $model_bfield['bfield_status'] = 0;
         $model_bfield->save();
     } else {
         if ($_POST['_type'] == 1) {
             $model_bfield = new model_business_field();
             $model_bfield->create($_POST);
         } else {
             if ($_POST['_type'] == 2) {
                 $model_bfield = model_business_field::find($_POST['bfield_id']);
                 $model_bfield->fill($_POST);
                 $model_bfield->save();
             }
         }
     }
     return redirect('/backend/bfield')->withErrors($err);
 }
 public function parentName()
 {
     $model_business_field = model_business_field::find($this->bfield_parent);
     return $model_business_field['bfield_name'];
 }