public function render(Varien_Object $row)
 {
     $categoriesHtml = '';
     $categories = $row->getCategoryCollection()->addNameToResult();
     if ($categories) {
         foreach ($categories as $category) {
             $path = '';
             $pathInStore = $category->getPathInStore();
             $pathIds = array_reverse(explode(',', $pathInStore));
             $categories = $category->getParentCategories();
             foreach ($pathIds as $categoryId) {
                 if (isset($categories[$categoryId]) && $categories[$categoryId]->getName()) {
                     $path .= $categories[$categoryId]->getName() . '/';
                 }
             }
             if ($path) {
                 $path = substr($path, 0, -1);
                 $path = '<div style="font-size: 90%; margin-bottom: 8px; border-bottom: 1px dotted #bcbcbc;">' . $path . '</div>';
             }
             $categoriesHtml .= $path;
         }
     }
     return $categoriesHtml;
 }