<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>
<!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">
    <div>

        <script type="text/javascript">

            function CheckValue(sender, args) {

                var c = args.get_keyCharacter();
                if (c == ">" || c == "<")
                    args.set_cancel(true);

            }
    
        </script>

        <asp:ScriptManager ID="ScriptManager1" runat="server">
        </asp:ScriptManager>
        <telerik:RadTextBox ID="RadTextBox1" runat="server">
            <ClientEvents OnKeyPress="CheckValue" />
        </telerik:RadTextBox>
    </div>
    </form>
</body>
</html>
