[Solved] Telerik file upload error in ASP.Net MVC

[Nagavardhana Reddy]

Hi,

We have an ASP.Net MVC application implemented with Telerik file upload. And in my company for all the sites developed are enabled with Siteminder. 

Siteminder functions like on browse of any site the page will be redirected to login page and once the authentication happened it will come back to the site which was browsed.

Siteminder enable or disable will be done in web.config file by adding and removing the Siteminder entries.

Issue: Telerik file upload works fine Siteminder disabled but if site minder enabled Telerik file upload gives the error popup as "Error! Upload failed. Unexpected server response - see console" and the response text in "OnError" event is as follows "Error trying to get server response: Error: Permission denied."

Please find the error message attachments.

Could you please help us in resolving this issue and getting the file upload success.

Thank you.

[T. Tsonev]

Hello,

The Upload won't be able to display the login page, as it uses an AJAX request. What you can do is to handle the onError event and navigate to the login page:
<%= Html.Telerik().Upload()
            .Name("attachments")
            .Async(async => async
                .Save("Save", "Upload")
                .Remove("Remove", "Upload")
            )
            .ClientEvents(events => events.OnError("onError"))
%>

function onError(e) {
    window.location.href = "...";
    e.preventDefault(); // Suppress error message
}

I hope this helps.

Regards,
Tsvetomir Tsonev
the Telerik team