File download log

Dear all,
I want to create log user file download history.I have shown all of my in gridview and in template filed use hyperlink to download file.
But I didn't get server side event to store data in sql for download history.I try to manage it using JavaScript but when pop blocker 
catch file download then database entry two times , I can't handled.


Please help me if any better ways to manage it.
Thanks,
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