['enctype' => 'multipart/form-data',],'action'=>['crossing-upload/result']]); ?>

Кросс файлы

field($model, 'delete_prefix1')->checkbox() ?> field($model, 'delete_prefix2')->checkbox() ?> field($model, 'file')->fileInput()->label(false) ?> session->getFlash('success')) { echo Html::tag('p', $msg ,['class'=>'bg-success']); } elseif ($msg = \Yii::$app->session->getFlash('warning')) { echo Html::tag('p', $msg, ['class' => 'bg-warning']); } ?>