FileController
++++++++++++++++++++++++++++++++++++++++++++
    public function actionCreate()
    {
        $model=new File;
        if(isset($_POST['File']))
        {
            $model->attributes=$_POST['File'];

            $model->tip=CUploadedFile::getInstance($model,'tip');


            if($model->validate())
            {
                $model->save();
                $model->tip->saveAs(Yii::app()->basePath . '/../files/' . $model->tip);
            }


                $this->redirect(array('view','id'=>$model->id));
        }
        $this->render('create',array(
            'model'=>$model,
        ));
    }
Model/File.php
+++++++++++++++++++++++++++++++++++++++++++++++
    public function rules()
    {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(
            array('nazva, tip', 'required'),
            array('nazva', 'length', 'max'=>30),
            array('tip', 'length', 'max'=>10),
            // The following rule is used by search().
            // Please remove those attributes that should not be searched.
            array('id, nazva, tip', 'safe', 'on'=>'search'),
            array('tip', 'file', 'types'=>'doc, docx, rar, zip, pdf, exe', 'allowEmpty' => true )
        );
    }
views/file/_form.php
+++++++++++++++++++++++++++++++++++++++++++
<div class="form">

<?php $form=$this->beginWidget('CActiveForm', array(
    'id'=>'file-form',
    'enableAjaxValidation'=>false,
    'htmlOptions'=>array('enctype'=>'multipart/form-data')
)); ?>

    <p class="note">Fields with <span class="required">*</span> are required.</p>

    <?php echo $form->errorSummary($model); ?>

    <div class="row">
        <?php echo $form->labelEx($model,'nazva'); ?>
        <?php echo $form->textField($model,'nazva',array('size'=>30,'maxlength'=>30)); ?>
        <?php echo $form->error($model,'nazva'); ?>
    </div>

    <div class="row">
        <?php echo $form->labelEx($model,'tip'); ?>
        <?php echo CHtml::activeFileField($model, 'tip'); ?>
        <?php echo $form->error($model,'tip'); ?>
    </div>

    <div class="row buttons">
        <?php echo CHtml::submitButton($model->isNewRecord ? 'Create' : 'Save'); ?>
    </div>

<?php $this->endWidget(); ?>

</div><!-- form -->