Hope this link helps you
http://www.telerik.com/help/aspnet-ajax/asyncupload-select-button-not-visible.html
Try with EnableFileInputSkinning property = false
Question
I have working on RadAsync Upload, when i moved my code to server which has compatible view. I am not able to see the RadAsync Select button.
Please help.
Solution
Hope this link helps you
http://www.telerik.com/help/aspnet-ajax/asyncupload-select-button-not-visible.html
Try with EnableFileInputSkinning property = false