Setting Enabled = False is not properly styling the RadButton. The disabled="disabled" attribute correctly shows in the generated markup (which causes the correct functionality of it not being able to be clicked); however, the outer anchor tag is not styled with the "rfdInputDisabled" class. I can only reproduce the issue in IE11 (I'm on 11.0.9600.17358). I have a code sample; however, the file filter is not allowing me to attach a .zip file.