<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<html>
<head>
</head>
<body><form name=myform>
<SELECT name=aaa onchange="alert(this.selectedIndex)"><option></option><option>aaa</option><option>bbb</option><option>ccc</option><option>ddd</option></SELECT>
<%
'把<option></option>的顺序值赋给一个变量a
%>
</form>
</body>
</html>
<html>
<head>
</head>
<body><form name=myform>
<SELECT name=aaa onchange="alert(this.selectedIndex)"><option></option><option>aaa</option><option>bbb</option><option>ccc</option><option>ddd</option></SELECT>
<%
'把<option></option>的顺序值赋给一个变量a
%>
</form>
</body>
</html>
改为:<option value="aaa">aaa</option>
其它也一样改。