<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Index</title>
<script src="/Scripts/jquery-1.4.1.js" type="text/javascript"></script> <script type="text/javascript">
$(function() {
$("#CheckAll").click(function() {
var flag = $(this).attr("checked");
$("[name=subBox]:checkbox").each(function() {
$(this).attr("checked", flag);
})
})
})
</script>
</head>
<body>
<div>
<input id="CheckAll" type="checkbox" />
<input name="subBox" type="checkbox" />
<input name="subBox" type="checkbox" />
<input name="subBox" type="checkbox" />
<input name="subBox" type="checkbox" />
</div>
</body>
</html>