Upload multiple files from selecting Client Folder

Hi,
As per our recent requirement we need to implement the multiple files uploading,
After Browsing the folder on client machine if user press the upload button then all files on that folder needs to be copied into server in Asp.net,
I have found some code where i can select multiple files to upload but my requirement is to select only folder then all files on that folder will be uploaded in check boxlist where user can deselect any files.
Is this possible?
 
 
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