public ActionResult AssignTask(int taskId, string userId)
        {
            var task      = db.Tasks.Find(taskId);
            var developer = db.Users.Find(userId);

            if (task != null && developer != null)
            {
                taskHelper.AssignDev(taskId, userId);
                return(RedirectToAction("ProjectDisplay", "Projects"));
            }
            else
            {
                return(HttpNotFound());
            }
        }