public void UpdateSeat(int roomNum, RemoteSetColor SetColor) { DataTable dt = SqlServerHelper.ExeProc_GetOutdate(roomNum); //挨个修改颜色; List <int> list = new List <int>(); foreach (DataRow item in dt.Rows) { list.Add((int)item[0]); } for (int i = 0; i < int.Parse(ConfigurationManager.AppSettings["tableCount"]) * 4; i++) { if (list.Contains(i)) { SetColor(i, Brushes.Green); } else { SetColor(i, Brushes.Red); } } }