The UploadServiceUrl is the address of the upload handler on the server side that is handling the requests. Please take a look at this article
in our help on how to set up the RadUpload.
All the best,
the Telerik team
Registration for Q1 2011 What’s New Webinar Week is now open. Mark your calendar for the week starting March 21st and book your seat
for a walk through all the exciting stuff we ship with the new release!