Im using the file explorer to manage small image and document banks. The fileexplorer does not use any custom content provider and I set the View, Delete and Upload paths in codebehind at pageload.
For troubleshooting this problem I biulded a test page containen this code:
And this codebehind:
With our old version 2010.1.309.35 of telerik I get i nice empty FileExplorer show in the png image but when I use the newest version I only get the error page.