1.AutoPostBack="false"2.DropDownList2.Attributes.Add("onchange", "javascript:openwindow(this.value)");3.<script type=text/javascript>function openwindow(url){//alert(url)if(url!=""){window.open(url);}}</script>看明白了自己加到你的代码里
转载于:https://www.cnblogs.com/liyugang/archive/2009/12/23/1630816.html
