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Tarun Khandelwal 11Tarun Khandelwal 11 

How to do a file upload in background

I want to know how can i upload a file in background so that if user moves from current page within site upload should continue.
AshwaniAshwani
This is not feasible. File must upload completely to exrernal system to be available succesfully. If you navigate/relaod, connection will break and file will be corrupted. 
However you can create component accros page but you will have to take care of redirection and prevent user from reloading the page until upload completes.