Value showing empty in browser , but its available in Database - php

Question

Once we click on Download button, we are trying to download complete order details in pdf.... here 100452121 is orderid, xpress is shipping name & 14104918100111 is tracking id....
we set conditions that if tracking_id is empty, than it should echo 0 but we are getting zero [0] even when tracking_id available for the order....
Shippinglabel.php Full code in pastebin
<td><?php echo $orderrecords[$k]["order_id"]; ?><br/>
<?php
if ($st == 1) {
if ($orderrecords[$k]["tracking_id"] == '') {
?>
<input type="button" name="shipment" id="xpress" value="xpress"
onclick="createshipment('<?php echo $orderrecords[$k]["order_id"];?>')" />
<?php
}
}
?>
<?php
if ($orderrecords[$k]["tracking_id"] != '' && $orderrecords[$k]["shipping_name"] == 'xpress')
{
?>
<a target="_blank"
href="http://sbdev1.kidsdial.com/ecom1/xpress/xpressdownload.php?orderId=<?php
echo $orderrecords[$k]["order_id"];?>"
id="pdfdownload" >
<input type="button" name="shipment" value="DOWNLOAD" /></a>
<?php
}
?>
</td>
createshipment
function createshipment(orderid)
{
var assignee='<?php echo $_SESSION['login_user']?>';
alert(orderid);
$.ajax({
url: "xpressshipment.php",
type: "POST",
data:'orderid='+orderid+'&assignee='+assignee,
success: function(data){
if(data==1)
{
$("#pdfdownload").show();
}
if(data==0){alert("First Enter Tracking Id.");}
window.location ="http://sbdev1.kidsdial.com/ecom1/xpress/xpressdownload.php?orderId="+orderid;
}
});
}
xpressshipment.php Full code in pastebin
<?php
$data =
array (
'AirWayBillNO' => $resultc[0]['awb'],
);
if($res->AddManifestDetails[0]->ReturnMessage=='successful')
{
$sqli="update do_order set tracking_id='".$resultc[0]['awb']."',shipping_name='xpress' where order_id='".$order_id."'";
$resulti=$db_handle->executeUpdate($sqli);
}
?>
xpressdownload.php Full code in pastebin
<?php
if(isset($_GET['orderId']) && $_GET['orderId']!='')
{
$orderid=$_GET['orderId'];
}
else
{
echo 2;
}
$orderid='';
$sqlorder = "SELECT tracking_id,order_id from do_order where order_id='".$orderid."' limit 1";
$resultdoorder = $db_handle->runSelectQuerys($sqlorder);
if($resultdoorder['tracking_id']=='')
{
echo 0;
//var_dump("tracking_id");
}
var_dump("tracking_id"); gave string(11) "tracking_id" as result....
please let me know if you need more details....
please help me to find solution....
Thanks in Advance....

Answer 1

In file xpressdownload.php you defined variable $orderid incorrectly.
if(isset($_GET['orderId']) && $_GET['orderId']!='')
{
$orderid=$_GET['orderId'];
}
else
{
echo 2;
}
$orderid='';
First, you are checking whether $_GET['orderId'] exists and if yes, you give the value of $_GET['orderId'] to $orderid. This is correct.
But after the if... else block you give the $orderid the '' value. So in every case the $orderid has the null value and you sql query is not returning the record. You have to remove the line $orderid=''; or move it before the if statement.