Upload File Ajax - .NET web services

namespace Test.Controllers
{
    using System.IO;
    using System.Linq;
    using System.Web;
    using System.Web.Http;

    public class FileUploadController : ApiController
    {
        [HttpPost]
        public void UploadFile()
        {
            if (HttpContext.Current.Request.Files.AllKeys.Any())
            {
                // Get the uploaded image from the Files collection
                var httpPostedFile = HttpContext.Current.Request.Files["UploadedImage"];

                if (httpPostedFile != null)
                {
                    // Validate the uploaded image(optional)

                    // Get the complete file path
                    var fileSavePath = Path.Combine(HttpContext.Current.Server.MapPath("~/UploadedFiles"), httpPostedFile.FileName);

                    // Save the uploaded file to "UploadedFiles" folder
                    httpPostedFile.SaveAs(fileSavePath);
                }
            }
        }
    }
}

<form id="register-user">
            <label for="fileUpload">
                Select File to Upload:
            </label>
            <input id="fileUpload" type="file" />
            <input id="btnUploadFile" type="submit" value="Upload File" />
</form>

<script type="text/javascript">
        $(document).ready(function () {

            $('#register-user').submit(function () {
                console.log('in submit')
                var data = new FormData();

                var files = $("#fileUpload").get(0).files;

                // Add the uploaded image content to the form data collection
                if (files.length > 0) {
                    data.append("UploadedImage", files[0]);
                }

                // Make Ajax request with the contentType = false, and procesDate = false
                var ajaxRequest = $.ajax({
                    type: "POST",
                    url: "http://localhost:63362/api/fileupload/uploadfile",
                    contentType: false,
                    processData: false,
                    data: data
                });

                ajaxRequest.done(function (xhr, textStatus) {
                    // Do other operation
                });
            });
        });
</script>
//http://www.codeproject.com/Articles/806075/File-Upload-using-jQuery-AJAX-in-ASP-NET-Web-API