

<html>
<body>

<form method="post" action="demo_aspnet_dropdownlist.aspx" id="ctl00">
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwULLTE5OTg0NzcwMDRkZPEVZDGv19GfNEKcdNMjUagmZ03m09S7aLkHPNBJyTHh" />

<input type="hidden" name="__VIEWSTATEGENERATOR" id="__VIEWSTATEGENERATOR" value="D7639227" />
<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEdAAgwK9xH10le49R4a/hbxqUIu6015Vech+v6Qg2zuSGN3JVXKeS/PtDlSwkeRmtxxDx7LmCMsL/S7BPRzKlflZ2FdZxTesFR0KwkwSanGhW2bwurQ9Jwt+MHEApTuXpT5IY/Zx1UQ5fR/jxrIgBAIkU48U64O7P3hu9FCADqHdzsaujMb/WGwkAacv6vXpALYewUiYTsQhUDoshQZRDpnOLO" />
<select name="drop1" id="drop1">
	<option value="Item 1">Item 1</option>
	<option value="Item 2">Item 2</option>
	<option value="Item 3">Item 3</option>
	<option value="Item 4">Item 4</option>
	<option value="Item 5">Item 5</option>
	<option value="Item 6">Item 6</option>

</select>
<input type="submit" name="ctl01" value="提交" />
<p><span id="mess"></span></p>
</form>

</body>
</html>