public function render(Varien_Object $row) { $stock = (int) $row->getstock_qty(); $productId = $row->getId(); $retour = '<input type="text name="stock_' . $productId . '" id="stock_' . $productId . '" value="' . $stock . '" size="4" disabled>'; $retour .= ' <input type="checkbox" name="ch_stock_' . $productId . '" id="ch_stock_' . $productId . '" value="1" onclick="toggleStockInput(' . $productId . ');">'; return $retour; }