C# 写的显示当前日期（某年某月某日）和星期几

        protected void Page_Load(object sender, EventArgs e)
        {
            DateTime dt = DateTime.Now;
            Response.Write("当前日期是"+dt.Year+"年"+dt.Month+"月"+dt.Day+"日");
            string s = "日一二三四五六";
            string sub = s.Substring(Convert.ToInt16(dt.DayOfWeek)-1,1);
            Response.Write("星期"+sub);
        }