Am new to this forum and really happy to share my programming thoughts to you all.
It would be great help if some body gives me the the solution for the below.
Eg: Am selecting abc.jpg from my system and changing the file name form the source as abcd.jpg, now abc.jpg does not exist. But i want to check if exist. If selected file does not exist, i want to display a message before uploading/submitting the form.