File Download Link in listing_img_title.php

<?php
if ($this->element->files) {
		echo "True";
		}
echo $this->element->product_code;
    if (!empty ($this->element->product_url)) {
      echo JText :: sprintf('MANUFACTURER_URL', '<a href="' . $this->element->product_url . '" target="_blank">' . $this->element->product_url . '</a>');
    }
      ?>

<?php
  if(!empty($this->element->extraData->bottomMiddle))
    echo implode("\r\n",$this->element->extraData->bottomMiddle);
  if(!empty($this->element->extraData->bottomEnd))
    echo implode("\r\n",$this->element->extraData->bottomEnd); ?>

<?php
ini_set('xdebug.var_display_max_data', 0);
    echo '<pre>';
print_r($this->row);
echo '</pre>';?>

stdClass Object
(
    [product_id] => 260
    [product_parent_id] => 0
    [product_name] => Networking & O/S installation Services
    [product_description] => 

Professional services that includes networking installation, troubleshooting, configuration and installation of operating systems across the entire network.

    [product_quantity] => -1
    [product_code] => networking-os-installation
    [product_published] => 1
    [product_hit] => 53
    [product_created] => 1378243587
    [product_sale_start] => 0
    [product_sale_end] => 0
    [product_delay_id] => 0
    [product_tax_id] => 0
    [product_type] => main
    [product_vendor_id] => 0
    [product_manufacturer_id] => 0
    [product_url] => 
    [product_weight] => 0.000
    [product_keywords] => 
    [product_weight_unit] => kg
    [product_modified] => 1378243587
    [product_meta_description] => 
    [product_dimension_unit] => m
    [product_width] => 0.000
    [product_length] => 0.000
    [product_height] => 0.000
    [product_max_per_order] => 0
    [product_access] => all
    [product_group_after_purchase] => 
    [product_min_per_order] => 0
    [product_contact] => 0
    [product_last_seen_date] => 1396391193
    [product_sales] => 1
    [product_waitlist] => 0
    [product_layout] => 
    [product_average_score] => 0
    [product_total_vote] => 0
    [product_page_title] => 
    [product_alias] => 
    [product_price_percentage] => 0.0000000
    [product_msrp] => 0.0000000
    [product_canonical] => 
    [cond] => used
    [alias] => networking-o-s-installation-services
    [file_id] => 766
    [file_name] => 
    [file_description] => 
    [file_path] => computer-networking.jpg
    [file_type] => product
    [file_ref_id] => 260
    [file_free_download] => 0
    [file_ordering] => 0
    [file_limit] => 0
    [prices] => Array
        (
            [0] => stdClass Object
                (
                    [price_id] => 243
                    [price_currency_id] => 4
                    [price_product_id] => 260
                    [price_value] => 500.00000
                    [price_min_quantity] => 0
                    [price_access] => all
                    [price_value_with_tax] => 500.00000
                    [taxes] => Array
                        (
                        )

                )

        )

    [badges] => Array
        (
        )

)

<?php
if (array_key_exists($this->row->downloadable_file)) {
		echo "True";
		}
echo $this->row->downloadable_file;
      ?>
  </div>

$this->database = JFactory::getDBO();
$query='SELECT * FROM '.hikashop_table('file').' WHERE file_ref_id ='.$YOURPRODUCTID;
$this->database->setQuery($query);
$product_files = $this->database->loadObjectList();