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ScriptReference is not a known element
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This is a migrated thread and some comments may be shown as answers.
Sid
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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

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Genady Sergeev
Telerik team
answered on 28 May 2012, 08:32 AM
Hi Sid,

Please make sure that you have reference for Telerik.Web.UI and that the telerik prefix is registered in the web.config or on the page, like this:

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


Kind regards,
Genady Sergeev
the Telerik team
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Sid
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Answers by
Genady Sergeev
Telerik team
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