public function render(Varien_Object $row)
 {
     $pro_id = $row->getrelated_product();
     //$media=Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA);
     //$file=$media.$value;
     $product_collection = Mage::getModel('catalog/product')->load($pro_id);
     $name = $product_collection->getName();
     return $name;
 }