ช่วยดูโค๊ดให้หน่อยคะ พอแก้ไขข้อมูลในตารางแล้วมันไม่ไป update ที่ฐานข้อมูลให้อะคะ

<?php require_once('../Connections/mong.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") 
{
  $theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;

  $theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);

  switch ($theType) {
    case "text":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;    
    case "long":
    case "int":
      $theValue = ($theValue != "") ? intval($theValue) : "NULL";
      break;
    case "double":
      $theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" : "NULL";
      break;
    case "date":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;
    case "defined":
      $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
      break;
  }
  return $theValue;
}
}

$editFormAction = $_SERVER['PHP_SELF'];
if (isset($_SERVER['QUERY_STRING'])) {
  $editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']);
}

if ((isset($_GET["MM_update"])) && ($_GET["MM_update"] == "form1")) {
  $updateSQL = sprintf("UPDATE cscs_m SET Sub_Name=%s, Province=%s, SCADA=%s WHERE `Index`=%s AND Sub_ID=%s",
                       GetSQLValueString($_GET['textfield5'], "text"),
                       GetSQLValueString($_GET['textfield3'], "text"),
                       GetSQLValueString($_GET['textfield4'], "text"),
                       GetSQLValueString($_GET['textfield'], "double"),
                       GetSQLValueString($_GET['textfield2'], "text"));

  mysql_select_db($database_mong, $mong);
  $Result1 = mysql_query($updateSQL, $mong) or die(mysql_error());

  $updateGoTo = "Edit3.php";
  if (isset($_SERVER['QUERY_STRING'])) {
    $updateGoTo .= (strpos($updateGoTo, '?')) ? "&" : "?";
    $updateGoTo .= $_SERVER['QUERY_STRING'];
  }
  header(sprintf("Location: %s", $updateGoTo));
}

$colname_detail_sub = "-1";
if (isset($_GET['Sub'])) {
  $colname_detail_sub = $_GET['Sub'];
}
mysql_select_db($database_mong, $mong);
$query_detail_sub = sprintf("SELECT * FROM cscs_m WHERE Sub_ID = %s", GetSQLValueString($colname_detail_sub, "text"));
$detail_sub = mysql_query($query_detail_sub, $mong) or die(mysql_error());
$row_detail_sub = mysql_fetch_assoc($detail_sub);
$totalRows_detail_sub = mysql_num_rows($detail_sub);