public function body()
    {
        $columns = $this->_getColumns();

        $body = '';
        $body .= '<tbody>';
        if (empty($this->_collection)) {
            // No results if collection is empty
            $body .= '<tr><td colspan="'.count($columns).'">'.trans('resource-table::default.No_records').'</td></tr>';
        } else {
            foreach ($this->_collection as $row) {
                // Generate each row

                $body .= '<tr>';
                foreach ($columns as $column) {
                    // Generate each column

                    $body .= '<td>';
                    $body .= $column->content($row);
                    $body .= '</td>';
                }
                $body .= '</tr>';
            }
        }
        $body .= '</tbody>';

        return $body;
    }