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Microsoft JScript runtime error: Sys.InvalidOperationException: A control is already associated with the element.

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Kamal asked on 08 Mar 2013, 10:13 AM

Hi All,
I am facing so much problem in Rad Tab.Actually master page is not getting updated.so i used update panel.After adding Update Panel i got this type of error which is dedefined below. while click on any module which is used telerik rad tab,i am getting this below error in pop up window.

Please help me to fix this issue.

Microsoft JScript runtime error: Sys.InvalidOperationException: A control is already associated with the element.

This is code--
<body scroll="no">
<form id="thisMainform" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>

<%-- Added UpdatePanel to refresh the page for opening proper Help Docs--%>
<asp:UpdatePanel ID ="Updatecontrols" runat="server" >
<ContentTemplate>
<table width="100%" height="100%" border="0" align="center" cellpadding="0" cellspacing="0"
bgcolor="#ffffff">
<tbody>
<tr>
<td align="center" valign="middle" class="headerbg" height="14%">
<table width="100%" height="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td align="left" valign="middle" class="logo" style="padding-left: 10px">
<img runat="server" src="~/images/Client_Logo.png" />
</td>
<td align="right" valign="top">
<table width="100%" height="60" border="0" cellpadding="0" cellspacing="0">
<tr>
<td align="right" valign="top">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td colspan="7" align="right" style="padding-right: 10px;" height="45">
<img runat="server" src="~/images/adaptive_logo.gif" width="246" height="37" />
</td>
</tr>
<tr>
<td width="75%" align="left" valign="top">
<asp:Label ID="lblUserName" runat="server" Text="Label"></asp:Label>
</td>
<td width="24" align="left" valign="middle">
<img runat="server" src="~/images/Home_icon.gif" width="14" height="14" hspace="5" />
</td>
<td width="70" align="left" valign="middle">
<asp:LinkButton ID="lnkBtnHome" runat="server" Text="Home" PostBackUrl="~/AdaptivePortfolio/AdaptivePortfoliloMain.aspx"
CausesValidation="false" />
</td>
<td width="25" align="left" valign="top">
<img runat="server" src="~/images/Help_icon.gif" width="16" height="20" />
</td>
<td width="70" align="left" valign="middle">
<asp:LinkButton ID="lnkbtnHelp" runat="server" Text="Help" CausesValidation="false" />
</td>

<td width="25" align="left" valign="top">
<img id="ImgVLink" runat="server" src="~/images/video.png" width="16" height="20" />
</td>
<td width="70" align="left" valign="middle">

<asp:LinkButton ID="lnkBtnVLink" runat="server" Text="Video" CausesValidation="false" />
<%-- OnClick="ShowVLink()"--%>
</td>

<td width="25" align="left" valign="top">
<img id="imgLogout" runat="server" src="~/images/Loigout_icon.gif" width="18" height="20" />
</td>
<td width="133" align="left" valign="middle">
<asp:LinkButton ID="lnkbtnLogout" runat="server" OnClick="lnkbtnLogout_Click" Text="Logout"
CausesValidation="false" />
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td height="6" colspan="2" align="left" valign="top" bgcolor="#4DA5CF">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td valign="top" height="77%">
<table width="100%" height="100%" border="0" cellpadding="0" cellspacing="0">
<tr>
<td>
<telerik:radtabstrip runat="server" id="RadTabMain" width="100%" skin="Office2007"
selectedindex="0">
<Tabs>
<telerik:RadTab runat="server" Text="Adaptive Portfolio System" Value="portfolio"
NavigateUrl="~/AdaptivePortfolio/AdaptivePortfoliloMain.aspx" />
<telerik:RadTab runat="server" Text="Adaptive Management System" Value="Management"
NavigateUrl="~/AdaptiveManagement/bin-release/AMSHome.aspx" />
</Tabs>
</telerik:radtabstrip>
</td>
</tr>
<tr>
<td valign="top" height="100%">
<asp:ContentPlaceHolder ID="ContentPlaceHolderMain" runat="server">
</asp:ContentPlaceHolder>
</td>
</tr>
</table>
</td>
</tr>
</tbody>
</table>

</ContentTemplate>
</asp:UpdatePanel>

1 Answer, 1 is accepted

answered on 13 Mar 2013, 08:30 AM

Hello Kamal,

I am afraid, that I was unable to replicate the faced issue base on the provided snippet of code. Please refer to the following forum threads where this topic is discussed:

If the issue still persist, I would like to ask you to provide us with a runnable sample demonstrating it, so we could replicate it at our end.

Greetings,
Nencho
the Telerik team

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