父类页面
<html>
<head>
<script type="text/javascript">
function GetData(data)
{
alert(data);
document.getElementById("id1").value=data;
}
</script>
</head>
<body>
<div>
<input id="id1" type="text" value="11" />
</div>
<div>
<iframe id="frameid" src="b.aspx"></iframe>
</div>
</body>
</html>
子类页面
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<script type="text/javascript">
function OnTest()
{
var data=document.getElementById("test").value;
parent.GetData(data);
}
</script>
<div>
<input id="test" type="text" value="将此值传到主页面控件中" />
<button onclick="OnTest()">
test</button>
</div>
</body>
</html>