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Error: sys.extended.UI is null

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salvio asked on 29 Nov 2010, 07:41 AM

Hi all,
In my form i'm using both Ajax controls like eg. (validatorcallout) and Radcontrols like eg(radcombobox)
I'm using below Script Manager
<telerik:RadScriptManager ID="RadScriptManager1" runat="server">
</telerik:RadScriptManager>
On running it showing the following error "sys.extended.UI is null"
and sometime the form get into stuck...
I want to know the script that support both..

this is my code

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="radajax.aspx.vb" Inherits="radajax" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>

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

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<title></title>

</head>

<body>

<form id="form1" runat="server">

<div>

<telerik:RadScriptManager ID="RadScriptManager1" runat="server">

</telerik:RadScriptManager>

Name:

<asp:TextBox ID="name" runat="server"></asp:TextBox>

<asp:Button ID="cmd_submit" runat="server" Text="SUBMIT" />

<asp:RequiredFieldValidator ID="NameReqFieldVal" runat="server"

ErrorMessage="Enter Name" ControlToValidate="name" Display="None"></asp:RequiredFieldValidator>

<asp:ValidatorCalloutExtender ID="ValCalloutExt" TargetControlID ="NameReqFieldVal" runat="server">

</asp:ValidatorCalloutExtender>

<br />

<telerik:RadComboBox runat="server" EmptyMessage="Choose IGM No"

EnableLoadOnDemand="True" HighlightTemplatedItems="True" DropDownWidth="298px"

Skin="Telerik" Height="200px" Width="200px" ShowMoreResultsBox="True" EnableVirtualScrolling="True"

ID="radcombo_IGM"

><HeaderTemplate>

<table cellpadding="0" cellspacing="0" style="width: 275px">

<tr>

<td style="width: 225px;">

GP No</td>

<td style="width: 225px;">

GP DATE</td>

</tr>

</table>

</HeaderTemplate>

<ItemTemplate>

<table cellpadding="0" cellspacing="0" style="width: 275px">

<tr>

<td style="width: 225px;">

<%# DataBinder.Eval(Container, "Text")%>

</td>

<td style="width: 255px;">

<%#DataBinder.Eval(Container, "Attributes['GPDATE']")%>

</td>

</tr>

</table>

</ItemTemplate>

<CollapseAnimation Type="OutQuint" Duration="200"></CollapseAnimation>

</telerik:RadComboBox>

</div>

</form>

</body>

</html>

Is there any Radvalidation controls...?

Thanks

Error: sys.extended.UI is null

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