public ActionResult Edit(int id = -1)
        {
            ClassManageInfo classManageInfo = ClassManages.GetClassManageById(id);

            if (classManageInfo == null)
            {
                return(PromptView("班级不存在"));
            }

            ClassManageModel model = new ClassManageModel();

            model.ClassID   = classManageInfo.ClassID;
            model.ClassName = classManageInfo.ClassName;

            //Load();

            return(View(model));
        }
        public ActionResult Edit(ClassManageModel model, int id = -1)
        {
            ClassManageInfo classManageInfo = ClassManages.GetClassManageById(id);

            if (classManageInfo == null)
            {
                return(PromptView("班级不存在"));
            }

            if (ModelState.IsValid)
            {
                classManageInfo.ClassName = model.ClassName;
                classManageInfo.ClassID   = id;

                ClassManages.UpdateClassManage(classManageInfo);
                AddAdminOperateLog("修改班级", "修改班级,班级ID为:" + id);
                return(PromptView("班级修改成功"));
            }

            // Load();
            return(View(model));
        }