ASP.NET MVC BlueImp jQuery File Upload

HomeController.cs

[HttpPost]
public JsonResult Upload(HttpPostedFileBase files)
{
    var resultList = new List<UploadFilesResult>();

    string path = Server.MapPath("~/Content/uploads/");
    files.SaveAs(path + files.FileName);

    UploadFilesResult uploadFiles = new UploadFilesResult();
    uploadFiles.name = files.FileName;
    uploadFiles.size = files.ContentLength;
    uploadFiles.type = "image/jpeg";
    uploadFiles.url = "/Content/uploads/" + files.FileName;
    uploadFiles.deleteUrl = "/Home/Delete?file=" + files.FileName;
    uploadFiles.thumbnailUrl = "/Content/uploads/" + files.FileName;
    uploadFiles.deleteType = "GET";

    resultList.Add(uploadFiles);

    JsonFiles jFiles = new JsonFiles(resultList);

    return Json(jFiles);
}

public JsonResult Delete(string file)
{
    System.IO.File.Delete(Path.Combine(Server.MapPath("~/Content/uploads/"), file));
    return Json("OK", JsonRequestBehavior.AllowGet);
}