public ActionResult InsertContentCategorySub(ContentCategoryModel u)
        {
            CategoryOperation co = new CategoryOperation();

            if (u.ParentId == 0)
            {
                u.ParentsId     = 0;
                u.CategoryLevel = 0;
            }
            else
            {
                ContentCategoryModel o = co.Get(u.ParentId);

                if (o.ParentsId == 0)
                {
                    u.ParentsId = o.Id;
                }
                else
                {
                    u.ParentsId = o.ParentsId;
                }
                u.CategoryLevel = o.CategoryLevel + 1;
            }



            co.Insert(u);
            return(JavaScript("pagesub();"));
        }
        public ActionResult UpdateContentCategorySub(ContentCategoryModel model)
        {
            CategoryOperation co = new CategoryOperation();

            co.Update(model);
            return(JavaScript("pagesub();"));
        }
        public ActionResult InsertContentCategory(int id)
        {
            ContentCategoryModel u = new ContentCategoryModel();

            u.ParentId = id;

            return(View(u));
        }
        public ActionResult UpdateContentCategory(int id)
        {
            CategoryOperation    co = new CategoryOperation();
            ContentCategoryModel u  = co.Get(id);


            return(View(u));
        }