Created Unassigned: FileUpload Control Queue Container Not Clearing [27734]

After all files are uploaded, the FileUpload Control's Queue Container does not clear. So if I go to upload a new file, it shows all the previously uploaded files again. Even if I close the browser and restart. I see no way to clear that queue. I found several suggested solutions all of which did not work for me including the last one in this forum:

http://forums.asp.net/t/1844768.aspx?Clear+File+list+from+Ajax+File+Upload