net服务器时间获取与运算；

 Panel1.Visible = true;
            string stime = System.DateTime.Today.Year.ToString();//获取当天时间年份+10的时间
            string yue = System.DateTime.Today.Month.ToString();
            string ri=System.DateTime.Today.Day.ToString();
            Label9.Text = stime+"."+yue +"."+ri;
            string stimes = System.DateTime.Today.Date.AddYears(10).Year.ToString() ;// 获取当天时间年份+10的时间
            string yues = System.DateTime.Today.Month.ToString();//获取当天时间月份的时间
            string ris = System.DateTime.Today.Day.ToString();//获取当天时间的时间
            Label8.Text = stimes + "年" + yues + "月" + ris + "日";