JavaScript runtime error : '$telerik' is undefined

[Reuben]

We have just started using UI for ASP.NET AJAX. Everything works fine until we try using client-side code. We keep receiving this error : "JavaScript runtime error : '$telerik' is undefined". I've searched for a solution online but none of the suggested solutions works.

 

At the moment our web.config has the following entries which according to online sources would solve the problem but didn't :

 <location path="Telerik.Web.UI.WebResource.axd">
  <system.web>
    <authorization>
      <allow users="*"/>
    </authorization>
  </system.web>
</location>

<system.web>
  <httpHandlers>
    <add path="Telerik.Web.UI.WebResource.axd" type="Telerik.Web.UI.WebResource" verb="*" validate="false" />        
  </httpHandlers>
</system.web>

<system.webServer>
  <handlers>
    <add name="Telerik.Web.UI.WebResource"  path="Telerik.Web.UI.WebResource.axd" verb="*" type="Telerik.Web.UI.WebResource, Telerik.Web.UI, Version=2014.2.724.35, Culture=neutral, PublicKeyToken=121fae78165ba3d4" />
  </handlers>
</system.webServer>

 We also tried the following to no avail :

<system.webServer>
  <handlers>
    <add name="Telerik_Web_UI_WebResource_axd" verb="*" path="Telerik.Web.UI.WebResource.axd" type="Telerik.Web.UI.WebResource" preCondition="integratedMode" />
  </handlers>
</system.webServer>

In default.aspx we have the following :

 

        <telerik:RadScriptManager ID="scriptManagerMain" 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>
            <Services>
                <asp:ServiceReference Path="~/WCF/DataService.svc"/>
            </Services>            
        </telerik:RadScriptManager>
        <telerik:RadAjaxManager ID="radAjaxManagerMain" runat="server">
        </telerik:RadAjaxManager>

With all these settings we still keep receiving the "JavaScript runtime error : '$telerik' is undefined" error.​ I really hope someone knows the solution to this problem because we're stick here and can't find a solution. Thanks in advance for any help.

 

[Viktor Tachev]

Hello,


Please check out the following thread that discusses similar issue. Try the suggestions from it and see how they work for you.

• http://www.telerik.com/forums/$telerik-is-not-defined-javascript-errors#_MLxvZYxAk6bXCkDSwuDtw

Also, take a look at the troubleshooting article below that elaborates on the issue.

• http://docs.telerik.com/devtools/aspnet-ajax/general-information/troubleshooting/general-troubleshooting#error-message-telerik-is-undefined-when-running-a-website-on-iis-7-integrated-mode

Regards,
Viktor Tachev
Telerik

[Rumen]

You can find more information and scenarios for the error at https://docs.telerik.com/devtools/aspnet-ajax/knowledge-base/common-error-telerik-is-undefined.