

<html>
<body>

<form method="post" action="demo_aspnet_button.aspx" id="ctl00">
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwUJMjI4MTU0NDAyZGQ69Jwtm/y5pBgIX6L/Qy+jzP90iCUsNWvjb/L/XVMdrQ==" />

<input type="hidden" name="__VIEWSTATEGENERATOR" id="__VIEWSTATEGENERATOR" value="D49E955F" />
<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEdAAJimKD3b7srS3levge+hjM7sfW5ZCsephGAbk9JEnVl54c0TF1ZH+uYyVWMTT9qEU80T9hwGh3u841WHRKd4cRK" />
<input type="submit" name="button1" value="Click me!" id="button1" />
</form>

</body>
</html>