<frameset rows="*,30" cols="*" frameborder="no" border="0" framespacing="0">
<frameset cols="180,*" frameborder="no" border="0" framespacing="0">
<frame src="Default.aspx" name=list marginWidth=0 marginHeight=0 id="leftFrame" frameBorder=0 noResize scrolling=yes longDesc=""/>
<frame src="register.html" name="mainFrame" id="mainFrame" />
</frameset>
<frame src="Default1.aspx" name="bottomFrame" scrolling="yes" noresize="noresize" id="bottomFrame" />
</frameset>
<noframes>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body></noframes>
---js关键判断---
<script Language="JavaScript">
function delete_product(product_id)
{
msg=‘确认要删除该物品，及相关的物品登记信息么？‘;
if(window.confirm(msg))
{
URL="delete.aspx?product_id=" + product_id +"&page=<%=ViewState["CurrentPage"]%>";
window.location=URL;
}
}
<a href="javascript:delete_product(<%#DataBinder.Eval(Container.DataItem,"ProductId")%>);">删除</a>
if (document.getElementById("registerdate").value == "") {
alert("登记日期不能为空！");
document.getElementById("registerdate").focus();
return (false);
}
</script>
----验证码关键前台代码---
<head runat="server">
<title></title>
<script type="text/javascript">
function ChangeCode() {
var date = new Date();
var myImg = document.getElementById("ImageCheck");
var GUID = document.getElementById("lblGUID");
myImg.src = "../ValidateCode.aspx?GUID=" + GUID.innerHTML + "&flag=" + date.getMilliseconds()
return false;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
验证码：
<input class="nemo01" id="CheckCode" tabindex="3" maxlength="22" size="11" name="user"
runat="server">
<a id="A2" href="" onclick="ChangeCode();return false;">
<asp:Image ID="ImageCheck" runat="server" ImageUrl="../ValidateCode.aspx?GUID=GUID"
ImageAlign="AbsMiddle" ToolTip="看不清，换一个"></asp:Image></a>
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
<asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
</div>
</form>
</body>
</html>
原文：http://www.cnblogs.com/hyyweb/p/5132803.html