private void notifyObs() {
        int loopRow = 0;
       int loopColumn = 1;
   classTimeBlock carrier;
       while(loopColumn < jweekForm1.getColumnCount())
       {
                 while(loopRow < jweekForm1.getRowCount()-1)
                 {
                    carrier =  weeksHeld.get(DisplayedWeek).fetchAppointment(loopColumn-1, loopRow);
                    this.jweekForm1.setValueAt(carrier.timePeriodBookedWith, loopRow , loopColumn );
                    loopRow++;

        }
                loopColumn++;
                loopRow = 0;

       }
    }