不要加autopostback="true",通过js来控制iframe中的排序<iframe src='xx.aspx?sort=asc' name='myif'></iframe>
<select onchange="document.frames['myif'].src='xx.aspx?sort='+this.value">
<option value='asc'>asc</option>
<option value='desc'>desc</option>
</select>
<select onchange="document.frames['myif'].src='xx.aspx?sort='+this.value">
<option value='asc'>asc</option>
<option value='desc'>desc</option>
</select>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
</head><body><iframe src="" width="100%" height="100%" id="RRRR"></iframe>
<select onChange="document.all.RRRR.src = 'http://'+this.options[selectedIndex].text">
<option>www.baidu.com</option>
<option>www.google.com</option>
<option>www.163.com</option>
<option>www.tom.com</option>
</select>
</body>
</html>
然后按一个google.com的按钮,就在页面上会显示一个iframe,里面出来www.google.com
然后再按一个baidu.com的按钮,就会增加另外一个iframe,里面出来www.baidu.com我也想给分。。希望大家帮忙一下,谢谢