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ScriptReference is not a known element

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ScriptManager and StyleSheetManager

This is a migrated thread and some comments may be shown as answers.

Sid asked on 24 May 2012, 01:23 AM

Hi,
I have a master page with both ScriptManager and AjaxManager on it.The code block is as follows:
<telerik:RadScriptManager ID="RadScriptManager1" runat="server" AsyncPostBackTimeout="900"
       EnablePageMethods="true">
       <Groups>
            <telerik:ScriptReferenceGroup>
            <Scripts>
                <%--Needed for JavaScript IntelliSense in VS2010--%>
                <%--For VS2008 replace RadScriptManager with ScriptManager--%>
                <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js" />
                <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js" />
                <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js" />
                <asp:ScriptReference Path="~/Charts/updatepanelhook.fusioncharts.js" />
            </Scripts>
            </telerik:ScriptReferenceGroup>
        </Groups>
   </telerik:RadScriptManager>
   <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
   </telerik:RadAjaxManager>

VS2010 gives the message ScriptReference is not a known element. When I change from Source to Design view, I receive the message stating Error Creating Control RadScriptManager1. Failed to create designer. Telerik.Web.UI.RadScriptManager etc.

How can I remedy these two issues?

Thanks,
Sid

1 Answer, 1 is accepted

William

commented on 13 Sep 2023, 02:14 PM

Does not work.

The control with ID 'RadAjaxManager2' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.

<%@ 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>
    <radstylesheetmanager id="RadStyleSheetManager1" runat="server" />
</head>
<body>
    <form id="form1" runat="server">
       
    <radscriptmanager ID="RadScriptManager1" runat="server">
        <Scripts>
            <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js" />
            <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js" />
            <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js" />
        </Scripts>
    </radscriptmanager>

Rumen

commented on 14 Sep 2023, 08:05 AM | edited

Replace <radscriptmanager with <telerik:RadScriptManager and this will fix the problem, e.g.

<telerik:RadScriptManager ID="RadScriptManager1" runat="server">
            <Scripts>
                <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js" />
                <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js" />
                <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js" />
            </Scripts>
</telerik:RadScriptManager>

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ScriptReference is not a known element

1 Answer, 1 is accepted

The control with ID 'RadAjaxManager2' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.