public ActionResult ParentIDCategoryIndex(string searchString, int page = 1, int pageSize = 5)
        {
            var dao   = new ParentIDCategoryDao();
            var model = dao.ListAllPaging(searchString, page, pageSize);

            return(View(model));
        }
        public void SetViewBagParentID(long?selectedId = null)
        {
            var dao = new ParentIDCategoryDao();

            ViewBag.ParentID = new SelectList(dao.ListAll(), "ID", "Name", selectedId);
        }