public ActionResult NewUpdate(TaskUpdate taskUpdate)
        {
            // Validate model state
            if (!ModelState.IsValid)
            {
                return(View("NewUpdate", taskUpdate));
            }

            taskService.AddTaskUpdate(taskUpdate);

            // Update Task
            Task task = taskService.GetTask(taskUpdate.TaskId);

            taskService.UpdateTask(task);

            // Redirect to the Detail view
            return(RedirectToAction("Detail", new { Id = taskUpdate.TaskId }));
        }