function getDesignerCollection()
    {

    $user_home = new USER();
    require_once '../../app/Mage.php';

    Mage::app();
    $stmts = $user_home->runQuery("SELECT * FROM tbl_users WHERE userID=:uid");
    $stmts->execute(array(
        ":uid" => $_SESSION['userSession']
    ));
    $rows = $stmts->fetch(PDO::FETCH_ASSOC);

    $accountType = $rows['type'];
    if ($accountType == "admin")
        {
        $is_admin = true;
        $order = Mage::getModel('sales/order')->getCollection()->addAttributeToFilter('designer_id', array(
            'nin' => '0'
        ));
        }
      else
        {
        $order = Mage::getModel('sales/order')->getCollection()->addAttributeToFilter('designer_id', array(
            'like' => '%' . $_SESSION['userSession'] . '%'
        ));
        }

    $i = 0;
    foreach($order as $orderData)
        {
        $orderitems = $orderData['dproduct_id'];
        $orderitemsarray = explode(",", $orderitems);
        $k = 0;

        while ($k < count($orderitemsarray))
            {

        if($data['type']=="admin")continue;

        if($data['dpaid_status']=='P'){$dpaid_status='Paid';}
        if($data['dpaid_status']=='U'){$dpaid_status='Unpaid';}
        if($data['dpaid_status']=='R'){$dpaid_status='Returned';}
        if($data['dpaid_status']==''){$dpaid_status='';}
            if ($orderitemsarray[$k] != '0')
                {
                $stmtorders = $user_home->runQuery("SELECT * FROM order_details WHERE designerorder_id=:designerorder_id");
                $stmtorders->execute(array(
                    ":designerorder_id" => $orderData['entity_id']
                ));
                $roworders = $stmtorders->fetch(PDO::FETCH_ASSOC);
                if ($roworders['dproduct_id'] == '')
                    {
                    $dorderStatus = "Unpaid";
                    }
                  else
                    {
                    $dorderStatus = $roworders['dpaid_status'];
                    }

                $productdetail = Mage::getModel('catalog/product')->load($orderitemsarray[$k]);
                $designerName = getDesignerName($productdetail->getDesignerID()) . " -(" . $productdetail->getDesignerID() . ")";
                $responce[] = array(
                    $orderData->getIncrementId() ,
                    $orderData->getIncrementId() ,
                    $orderitemsarray[$k],
                    $productdetail->getName() ,
                    $designerName,
                    $orderData['status'],
                    $orderData['grand_total'],
                    $orderData['customer_email'],
                    $commission,
                    $dorderStatus,
                    $sDate
                );
                }

            $k++;
            $i++;
            }
        }
    echo json_encode($responce);
    }

<form  action='' method="post" enctype="multipart/form-data">
       <input type="hidden" name="delete_package_id" id="delete_package_id" value=""/>
       Action:

    <select name="massaction" id="massaction">
           <option value="">Select</option>
           <option value="P">Paid</option>
           <option value="U">Unpaid</option>
           <option value="R">Returned</option>
    </select>

        <input type="button" value="Submit" id="delete-grid-button" onclick="massAction()" />
    </form>

function massAction()
{
    var e=document.getElementById("massaction");
    var strUser = e.options[e.selectedIndex].value;

    massStatusChangeVerified(strUser);

}


function massStatusChangeVerified(status)
    {
        var checkboxes = document.getElementsByName('dorder_id');
        var vals = "";
        for (var i=0, n=checkboxes.length;i<n;i++) {
          if (checkboxes[i].checked)
          {
          vals += ","+checkboxes[i].value;
          }
        }
        if(vals=='')
        {
            alert("No record selected");
            return false;
        }
        retactiveVal=confirm("Are you sure want to Change the status");
        if( retactiveVal == true )
        {
        if (vals) vals = vals.substring(1);
        document.getElementsByName('delete_package_id').value=vals;
        var url="http://sbdev2.kidsdial.com:81/php/site6/update_order_status.php?designer_id="+vals+"&order_status="+status;
           var request = jQuery.ajax( {
                url: url ,
                type: 'POST',
            } );

            request.done( function (result)
            {
                document.getElementById('msgresult').style.display="block";
                var explode = function(){
                 location.reload();
                };
                setTimeout(explode, 2000);


            } );
            request.fail( function ( error )
            {
                console.dir(error);
            } );return true;
            }else{
              return false;
        }
    }

if( isset($_GET['order_status']) && !empty($_GET['order_status']) && $_GET['order_status']!="" )
    {  $staus=$_GET['order_status']; }else{ $staus="";}

    if( isset($_GET['designer_id']) && !empty($_GET['designer_id']) && $_GET['designer_id']!="" )
    {  $allCheckedBoxes=$_GET['designer_id'];  }
    else{ $allCheckedBoxes="";}
    $ArrallCheckedBoxes=explode(",",$allCheckedBoxes);
    if(isset($conVar) && !empty($conVar) && $conVar!=""){
        foreach($ArrallCheckedBoxes as $tempBoxes){
                $sqlQueryToUpdate=" UPDATE order_details SET dpaid_status = '".$staus."'  WHERE userID = '".$tempBoxes."' ;";
                $sucessFlag=mysqli_query($conVar,$sqlQueryToUpdate);
                    if($sucessFlag==TRUE){
                    echo "Records Updated Sucessfully.";
                }else{
                    echo " Record already Updated.";
                }
            }
    }