<div class="action-export pull-right">
    <div class="btn-group">
        <button data-toggle="dropdown" class="btn btn-info btn-xs dropdown-toggle"><i class="icon-white icon-download-alt"></i><?php echo Yii::t('admin', 'Export'); ?><span class="icon-caret-down icon-on-right"></span></button>
        <ul class="dropdown-menu pull-right">
            <li><a href="<?php echo $this->createUrl('export', array('to' => 'csv','criteria'=>$criteria,'columns'=>$columns)); ?>" ><i class="icon icon-download"></i> <?php echo Yii::t('site', 'CSV File'); ?></a></li>
            <li><a href="<?php echo $this->createUrl('export', array('to' => 'excel','criteria'=>$criteria,'columns'=>$columns)); ?>" ><i class="icon icon-download"></i> <?php echo Yii::t('site', 'Excel File'); ?></a></li>
            <li><a href="<?php echo $this->createUrl('export', array('to' => 'json','criteria'=>$criteria,'columns'=>$columns)); ?>" ><i class)="icon icon-download"></i> <?php echo Yii::t('site', 'JSON Format'); ?></a></li>
        </ul>
    </div>
</div>
<br/>