<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
        <asp:ScriptManager ID="ScriptManager1" runat="server" />
        <script type="text/javascript">
        function Page_load(sender, e)
            {
                
                var hiddenField = document.getElementById("hidContent");
                hiddenField.value= "<b>some content</b>";
                alert(sender.get_html(true));
                sender.set_html(hiddenField.value);
                alert(sender.get_html(true));
                
            }
            </script>


<telerik:RadEditor ID="RadEditor1" ImageManager-EnableImageEditor="false" runat="server" EnableEmbeddedSkins="true" Width="97%" 
     OnClientLoad="Page_load" AllowScripts="true" ContentFilters="none">
                            <content></content>
                        </telerik:RadEditor> 
<input type="hidden" id="hidContent" />
    </form>
</body>
</html>
