//using System.Web.UI
//.aspx page must have a reference to jquery (for the example described bellow)
 
string someScript= " $(window).bind('load', CodeToExcecute());";
ScriptManager.RegisterStartupScript(this.Page, this.Page.GetType(), "someScript", someScript, true);

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js"></script> 
<script type="text/javascript" src="scripts/scripts.js"></script>
 
 <br />
<b>Notice</b>:  Undefined index:  action in <b>/home/s3221686/public_html/3tfs/register.php</b> on line <b>7</b><br />
 
<div id="signup">
 
    <form action="" method="POST" name="signupform" id="signup">
        <fieldset>

<? 
$config['hostdb'] = "localhost";
$config['userdb'] = "";
$config['passdb'] = "";
$config['db_game'] = "";
$config['key'] = "SAODFIOSDFSPODIPOSIF"; //ตั้งค่ารหัสอะไรก็ได้
 
mysql_connect($config['hostdb'], $config['userdb'], $config['passdb']) or die("ติดต่อฐานข้อมูลไม่ได้");
mysql_select_db($config['db_game']) or die("เลือกฐานข้อมูลไม่ได้");
?>

<?php
if( $gender == "M" ) { $genderb = "1"; } else { $genderb = "2"; }
$passwd = sha1(strtolower($userss) . $passss);
$timeregis = time();
$ssalt = substr(md5(mt_rand()), 0, 4);
 
mysql_query("INSERT INTO `bluero_cp`.`forum_members` (`memberName`, `dateRegistered`, `lngfile`, `realName`, `passwd`, `emailAddress`, `gender`, `hideEmail`, `showOnline`, `timeOffset`, `pm_email_notify`, `notifyAnnouncements`, `notifyOnce`, `notifyTypes`, `is_activated`, `ID_POST_GROUP`, `passwordSalt`) VALUES ('$userss', '$timeregis', 'thai-utf8', '$userss', '$passwd', '$emailss', '$genderb', '0', '1', '0', '1', '1', '1', '2', '1', '4', '$ssalt')");
?>

<?php
header("Content-Type: text/html; charset=TIS-620");
include "config.inc.php";
include "connect_db.php";
 
    $userss = $_POST['userss'];
    $passss = $_POST['passss'];
    $passss2 = $_POST['passss2'];
    $emailss = $_POST['emailss'];
    $gender = $_POST['gender'];

<system.web>
  <pages>
    <controls>
      <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
      <add namespace="AjaxControlToolkit" assembly="AjaxControlToolkit" tagPrefix="ajaxToolkit"/>
      <add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    </controls>
  </pages>
</system.web>