ASP.NET MVC ajaxForm

javascript

<script src="http://malsup.github.com/jquery.form.js"></script>

$("#ajaxUploadForm").ajaxForm({
            iframe: true,
            beforeSubmit: function () {},
            success: function (result) {},
            error: function (xhr, textStatus, errorThrown) {}    
        });
$('form#ajaxUploadForm').submit();

view

<form action="/Product/Upload" enctype="multipart/form-data" id="ajaxUploadForm" method="post">
<input id="ajax_uploader" name="ajax_uploader" onchange="ajax_uploader_func();" type="file" />      
        <input id="ajaxUploadSubmit" name="ajaxUploadSubmit" style="display: none;" type="submit" value="submit123" />
    </form>