File Upload not working

Nov 18, 2016 at 1:12 PM
Edited Nov 21, 2016 at 5:13 AM
Help to fix a Form issue "file upload not working"
after pressing send ,email process done but just listed a Null data for the uploaded file string ="-"
and there is no data uploaded to the following path "Portals\0\helferlein\helferlein_Form\UploadedFiles"

I used in my Environment :
DNN 6.2
tried helferlein_form.02.03.9 /7 /6 /3 0 all same issue