Hi Gary Blakely,
The RadUploadHandler is just a web handler and is not dependent on WCF. If you want to extend it, you can override certain methods in your UploadHandler class.
You can also try using WCF alone where the file upload will be a binary field on an object that will be sent to the server. This will involve more code on the client though.
With the RadUpload you get features like uploading multiple files, uploading in chunks, ready UI and others. To integrate it with your application, override methods on the upload handler - there are KB articles for certain scenarios:
This one can be something that you can use:
Depending on what you want to achieve, you can add the file to your DB (or its path for example).
The missing reference may appear as an error because the RadUploadHandler assembly has not been added to the web project.
the Telerik team
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