How to save text or file upload in modal using asp.net mvc?

Question

Hi Team

 

I am working on modal etc on bootstrap, now  i am trying to figure it out but not sure. If i am using file upload. how do i save that file? Do i use jquery to do this on client side, if want that file to exist within the dabase layer? Please advice me as i am confuse need some clarity below, thanks.

 

$(document).ready(function() {
    $.ajax({
        url: "Index/Account" // something like this///
    }).then(function(data) {
       $('.greeting-id').append(data.id);
       $('.greeting-content').append(data.content);
    });
});