public void SetIsOutDateClient(int roomNum, RemoteSetColor SetColor, DateTime now)
        {
            // string nw = now.ToString().Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries)[1];
            DateTime nw = DateTime.Now;

            SqlServerHelper.ExeProc_SetOutdate(roomNum, nw);
            UpdateSeat(roomNum, SetColor);
        }
 /// <summary>
 /// 设置座位状态轮询的执行函数。每个自习室轮询自己的内容。
 /// </summary>
 /// <param name="roomNum">自习室编号</param>
 /// <param name="SetColor">设置颜色</param>
 /// <param name="now">当前时间</param>
 public void SetIsOutDateOnWeb(int roomNum, DateTime now)
 {
     SqlServerHelper.ExeProc_SetOutdate(roomNum, DateTime.Now);
 }