void LoadTime(string RoomCode)
        {
            int i = 1;

            dgTime.Rows.Clear();
            using (Maintenance _maintain = new Maintenance())
            {
                var valueGetTime = _maintain.GetTime();
                valueGetTime.ForEach(x =>
                {
                    var valueRoomAndTime = _maintain.GetRoomTime().Where(xx => xx.RoomCode == RoomCode && xx.TimeCode == x.TimeCode).FirstOrDefault();
                    dgTime.Rows.Add(valueRoomAndTime != null ? valueRoomAndTime.ID : x.ID, i, x.TimeStart.Value.ToString("HH:mm:ss tt") + " to " + x.TimeEnd.Value.ToString("HH:mm:ss tt"), valueRoomAndTime != null ? valueRoomAndTime.Status : false, valueRoomAndTime != null ? valueRoomAndTime.TimeCode : x.TimeCode);
                    i++;
                });
            }
        }