Form Model
<?php

/**
 * LoginForm class.
 * LoginForm is the data structure for keeping
 * user login form data. It is used by the 'login' action of 'SiteController'.
 */
class SearchForm extends CFormModel
{
    public $date;

    /**
     * Declares the validation rules.
     * The rules state that username and password are required,
     * and password needs to be authenticated.
     */
    public function rules()
    {
        return array(
            array('date', 'required'),
        );
    }

}



Controller
<?php

class DefaultController extends Controller
{
	public function actionIndex()
	{
        Yii::import('application.models.rway.*');
        $model = new SearchForm();

        if(isset($_GET['submit'])) {
            var_dump($model->validate());
            if($model->validate()) {

            }
        }
		$this->render('index', array('model'=>$model));
	}
    public function filters() {
        return array(
            'accessControl'
        );
    }
    public function accessRules() {
        return array(
            array('deny',
                'actions'=>array('index'),
                'users'=>array('?'),
            ),
        );
    }
}



View
<?php
/* @var $this DefaultController */

$this->breadcrumbs=array(
	$this->module->id,
);
?>

<div class="form">
    <?php echo CHtml::beginForm($this->createUrl('/rway/default'), 'get'); ?>

    <?php echo CHtml::errorSummary($model); ?>

    <div class="row">
        <?php echo CHtml::activeLabel($model, 'date'); ?>
        <?php echo CHtml::activeTextField($model, 'date'); ?>
    </div>

    <div class="row submit">
        <?php echo CHtml::submitButton('Search', array('name'=>'submit')); ?>
    </div>
    <?php echo CHtml::endForm(); ?>
</div>