valid

<?php
if( empty( $_SESSION['id_user'] ) ){
    $_SESSION['err'] = '<strong>ERROR!</strong> Anda harus login terlebih dahulu.';
    header('Location: ./');
    die();
} else {
        if( isset( $_REQUEST['aksi11'] )){
            $aksi1 = $_REQUEST['aksi1'];
            switch($aksi1){
                case 'hapus':
                    include 'sub_hapus.php';
                    break;
            }
        }
    if( isset( $_REQUEST['submit'] )){
        $setuju = $_REQUEST['setuju'];
        $id_sub = $_REQUEST['id_sub'];
        $sql = mysqli_query($koneksi, "UPDATE sub SET setuju='$setuju' WHERE id_sub='$id_sub'");
        if ($sql == true) {
            echo 'berhasil';
                die();
            } else {
                echo 'ERROR! Periksa penulisan querynya';

        }
    }else {
        $nota = $_REQUEST['nota'];
        $sql3 = mysqli_query($koneksi, "SELECT * from transaksi where nota='$nota'");
        $row2 = mysqli_fetch_array($sql3)
?>
<form method="post" action="" class="form-inline" role="form">
<div ><br></div>
<div class="form-group">
<?php
?>

        <label for="nota" class="col-sm-2 control-label">No. Nota</label>
        <div class="col-sm-2"><div class="col-sm-2">
        <input type="text" name="nota" id="nota" class="form-control" value="<?php  echo $row2['nota']?>" readonly>
        </div>
        </div>

        <div class="pull-right">

        <label for="koordinator" class="col-sm-4 control-label">Koordinator</label>
        <div class="col-sm-4">
        <h3>
        <?php echo $_SESSION['koordinator']; ?>

        </h3>
        </div>
    </div>
    </div>
    <div class="pull-right">

    <form action="" method="post" role="form" class="form-inline">
                    <button class="btn btn-primary pull-right" name="submit" id="submit">Valid</button>
                    </div>

   <form method="post" action="" class="form-inline" role="form">
    <hr>
    <div ><input type="text" class="hidden" name="id_sub" id="id_sub"></div>

                <div >

                <table class="table table-bordered">
                 <thead>
                   <tr class="info">
                     <th width="5%">No</th>
                     <th width="10%">Kode Barang</th>
                     <th width="22%">Nama Barang</th>
                     <th width="10%">Jenis</th>
                     <th width="10%">satuan</th>
                     <th width="10%">permintaan</th>
                     <th width="10%">Disetujui</th>
                     <th width="20%">Tindakan</th>
                   </tr>
                 </thead>

                 <tbody>
                 <?php
                 $nota = $_REQUEST['nota'];
$sql = mysqli_query($koneksi, "SELECT * FROM sub where nota='$nota'");
if(mysqli_num_rows($sql) > 0){
    $no = 0;

    while($row = mysqli_fetch_array($sql)){
        $no++;
    echo '

      <tr>
        <td>'.$no.'</td>
        <td>'.$row['id_barang'].'</td>
        <td>'.$row['nama_barang'].'</td>
       <td>'.$row['jenis_barang'].'</td>
       <td>'.$row['satuan'].'</td>
       <td>'.$row['permintaan'].'</td>
       <td>
       <input type="number" class="form-control " value="'.$row['setuju'].'" name="setuju" id="setuju">
       </td>
        <td>';
        echo'


       <script type="text/javascript" language="JavaScript">
             function konfirmasi(){
                 tanya = confirm("Anda yakin akan menghapus data ini?");
                 if (tanya == true) return true;
                 else return false;
           }
       </script>
        <a href="?hlm=transaksi&aksi=baru&aksi1=hapus&submit=yes&id_sub='.$row['id_sub'].'" onclick="return konfirmasi()" class="btn btn-danger btn-s">Hapus</a>
        </td>';
    }
}

?>

                     </tr>

                 </tbody>

                 </div>
                 </form>
                 </div>

    </form>





<?php
    }
}
?>