<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!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></title>
<script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
function CheckFrame() {
var x = document.getElementById("iframeID");
var y = (x.contentWindow || x.contentDocument);
if (y.document) y = y.document;
alert($(y).find("#lblmessage").html());
$(y).find("#lblmessage").html('22');
return false;
}
// var frmPage = $("#iframeID").contentWindow;
//var retVal = frmPage.ReturnVal();
</script>
</head>
<body>
<form id="form1" runat="server">
<iframe id="iframeID" src="Default3.aspx" height="200px" width="200px"></iframe>
<asp:Button ID="btn" runat="server" OnClientClick="return CheckFrame()" />
</form>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
function CheckFrame() {
var x = document.getElementById("iframeID");
var y = (x.contentWindow || x.contentDocument);
if (y.document) y = y.document;
alert($(y).find("#lblmessage").html());
$(y).find("#lblmessage").html('22');
return false;
}
// var frmPage = $("#iframeID").contentWindow;
//var retVal = frmPage.ReturnVal();
</script>
</head>
<body>
<form id="form1" runat="server">
<iframe id="iframeID" src="Default3.aspx" height="200px" width="200px"></iframe>
<asp:Button ID="btn" runat="server" OnClientClick="return CheckFrame()" />
</form>
</body>
</html>
=====================
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<asp:TextBox ID="txt1" runat="server"></asp:TextBox>
<asp:Label ID="lblmessage" runat="server" Text="123456"></asp:Label>
</form>
</body>
</html>
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