hasil perbaikan

<?
if($_POST)
{
 $n = $_POST['jum']; // membaca jumlah data
// koneksi ke mysql
 $C= mysql_connect("localhost", "root", "root") or die(mysql_error());
  mysql_select_db("telkom");
  $tug=mysql_query("SELECT MAX(CAST(substring(id_msk, 4)AS UNSIGNED)) FROM masuk ");
    $arrData2 = mysql_fetch_row($tug);
    $gabtug = 'TUG'.($arrData2[0] ? ++$arrData2[0] : 1);
 $select= "<select name=barang[] >";
    /*
    kamu tulis listnya disini
    */
    $result = mysql_query("SELECT a.KD_BRG, a.NM_BRG, b.SATUAN FROM t_brg a, t_satuan b WHERE a.ID_SAT=b.ID_SAT")or die(mysql_error());
    $jsArray = "var prdName = new Array();\n";

    $select.= '<option>-------</option>';
    while ($row = mysql_fetch_array($result)) {
        $select.= '<option value="' . $row['KD_BRG'] . '">' . $row['NM_BRG'] . '('.
$row['SATUAN'].')</option>';

    }

    $select.="</select> *Pilih dari list disamping";

  ?>
  </p>
  <hr />
  <h2>INPUT DATA BARANG SEBANYAK <?=$n;?> </h2>
  <form method="post" action="insert.php">
<hr><?=$select;?><hr>
  <table border=1 >
    <tr>
    <td>No Masuk </td>

  <td><input type="text" name="id_msk" id="id_msk" value="<? echo $gabtug; ?>"></td>
  </tr>
  <tr>
  <td>Tanggal </td>

  <td>
    <input type="text" name="tgl" id="tgl"></td>
  </tr>
  <tr>
  <td>Nomor KWH</td>
  <td>
    <input type="text" name="no_kwh" id="no_kwh"></td>
  </tr>

  <tr>
  <td>Merek </td>

  <td>
    <input type="text" name="merk" id="merk"></td>
  </tr>

  <?php


  for ($i=1; $i<=$n; $i++)
  {

      echo "
  <tr>
    <tr>
    <td>Nama Barang</td>
   <td> $select  </td>";

   /*
<input type='text' name='nm_brg".$i."'>
   */
    echo "</tr>
    <tr>
    <td>satuan</td>
  <td><input type='text' name='satuan[]'></td>
    </tr>
    <tr>
    <td>Jumlah</td>
  <td><input type='text' name='jml[]'></td>
    </tr>
  </tr>";

  }


?>

</table>
  </p>
<input type="hidden" name="jum" value="<?php echo $n; ?>">

<input type="submit" name="submit" value="Submit">

  <br></form>
<?php
}
?>
<h3>Input Data Mahasiswa</h3><form method="post" action="form.php">
  Jumlah Data
    <input type="text" name="jum"> <input type="submit" name="submit" value="Submit">

</form>


<p>