//create a dimensional TimetableCells list "ttDimensionList" and compose TimetableCells ttCells;
        //save ttCells into ttDimensionList
        public Room defaultValue(Room newRoom)
        {
            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 9; j++)
                {
                    TimetableCells newttCells = new TimetableCells();
                    newRoom.TtDimensionArray[i][j] = newttCells;
                }
            }

            //SystemList.RoomsList.Add(newRoom);
            return(newRoom);
        }
        //private  List<string> moduleName;
        //private int[,] cells = new int[5,9];
        //private TimetableCells cell;
        //private TimeCellHours timeCell;
        //private Lecturer lecturerID;
        //private Module moduleID;

        public Room()
        {
            RoomSize         = 20;
            RoomName         = "";
            TtDimensionArray = new TimetableCells[5][];

            for (int i = 0; i < 5; i++)
            {
                ttDimensionArray[i] = new TimetableCells[9];
                for (int j = 0; j < 9; j++)
                {
                    TimetableCells newttCells = new TimetableCells();

                    TtDimensionArray[i][j] = newttCells;
                }
            }
        }