Ajax passing data to another pages

<!-- sintaks di view -->
<table id="table_picking" class="table table-bordered table-striped">
    <thead>
        <tr align="center">
            <th>Production</th>
            <th>Product ID</th>
            <th>Product Name</th>
            <th>Lot</th>
            <th>Cost Center</th>
            <th>Operation Number</th>
            <th>Delivery</th>
            <th>Journal</th>
            <th>Operation Name</th>
            <th>Status</th>
            <th>Action</th>
        </tr>
    </thead>
    <tbody>

    </tbody>

</table>
<div class="card-body">

              <!-- Tabel data -->
              <p class="card-text view_picking">

              </p>

            </div>
            <!-- /.card-body -->
<script>
    function listdatapicking()
    {
        var table = $('#table_picking').DataTable({
            "processing": true,
            "serverSide": true,
            "order": [],
            "ajax":{
                url: "<?= site_url('picking/listdata') ?>",
                type: "POST"
            },
            "columnDefs": [{
                "targets": 0,
                "orderable": false
            }],
            "scrollX": true
        });
    }

    $(document).ready(function(){
        listdatapicking();

    });

    function check(pl_unix)
    {
        $.ajax({
            type: "post",
            url: "<?= site_url('picking/check') ?>",
            data: {
                pl_unix: pl_unix
            },
            dataType: "json",
            success: function(response){
                console.log(response.res);
                if(response.res)
                {
                    $('.view_picking').html(response.res);

                }
            },
            error: function(xhr, ajaxOptions, thrownError) {
                alert(xhr.status + "\n" + xhr.responseText + "\n" + thrownError);
            }
        });
    }
</script>

//controller
    public function checkPage()
    {
        if($this->request->isAJAX())
        {
            $pl_unix = $this->request->getVar('pl_unix');

            // $row = $this->m_picking_data->find($pl_unix);
            $row = $this->m_picking_data->where('pl_unix', $pl_unix)->first();
            // $unix = $row['pl_unix'];

            $data = [
                // 'header' => 'Picking',
                // 'heading' => 'Double Check Picking',
                'unix'   => $row['pl_unix'],
                'production' => $row['pl_production'],
                'product_id' => $row['pl_product_id'],
                'product_name' => $row['pl_product_name'],
                'lot_control'    => $row['pl_lot_control'],
                'cost_center'    => $row['pl_cost_center'],
                'operation_number'   => $row['pl_operation_number'],
                'delivery'          => $row['pl_delivery'],
                'tf_journal'        => $row['pl_tf_journal'],
                'operation_name'    => $row['pl_operation_name'],
                'result'            => $row['dt_result']
            ];

            $msg = [
                'res' => view('Picking/cek', $data)
            ];

            echo json_encode($msg);

        }else{
            exit('Maaf request tidak dapat diproses!');
        }
    }