Have a look to this topic
You can get the file size form the FileUploader element itself. With it, you can keep a counter with the total size of files uploaded by the user. Then you can disable the upload if the user has reached the limit.
Have a look to this topic
You can get the file size form the FileUploader element itself. With it, you can keep a counter with the total size of files uploaded by the user. Then you can disable the upload if the user has reached the limit.