public function render(Varien_Object $row) { $productIds = $row->getProducts(); $productIds = explode(",", $productIds); $products = Mage::getResourceModel('catalog/product_collection')->addFieldToFilter('entity_id', array('in' => $productIds))->addAttributeToSelect('*'); $str = ''; $i = 1; foreach ($products as $product) { $str .= $i . '. <a href="' . $this->getUrl('adminhtml/catalog_product/edit', array('id' => $product->getEntityId())) . '">' . $product->getName() . '</a></br>'; $i++; } return $str; }