我用Application设置,但有错误。不知道该怎么改。 void Session_Start(object sender, EventArgs e) 
    {
        // 在新会话启动时运行的代码
        Application.Lock();
        Application["count"] = Convert.ToInt32(Application["count"]) + 1;
        
        if (Application["date"] == null)
        {            
            Application["date"] = DateTime.Now.DayOfYear;
            Application["dayCount"] = 1;
        }
        else
        {
            if (Convert.ToInt32(Application["date"]) == DateTime.Now.DayOfYear)
            {
                Application["dayCount"] = Convert.ToInt32(Application["dayCount"]) + 1;
            }
            else
            {
                Application["date"] = DateTime.Now.DayOfYear;
                Application["dayCount"] = 1;
            }
        }
        Application.UnLock();
    }
这是在Application_Start的定义 Application["date"] = DateTime.Now.DayOfYear;各位高手请帮忙了。