public JsonResult Delete(long[] id)
        {
            try
            {
                int[] status = new int[id.Length];

                for (int i = 0; i < id.Length; i++)
                {
                    status[i] = dao.Delete(id[i]);
                }

                return(Json(new
                {
                    status = status
                }));
            }
            catch (Exception)
            {
                return(Json(new
                {
                    status = 0
                }));
            }
        }