@Override
            public void handle(MouseEvent e) {
                if(e.getClickCount() == 2){
                    returnIndexSelected();
                    DataCollection selected = table.getSelectionModel().getSelectedItem();
                    setDataRow(selected);
                }
            }
        });

    }


    @FXML
    public void add(ActionEvent e){

        DataCollection addData = new DataCollection();
        addData.setStudentID(Integer.parseInt(studentIdText.getText()));
        addData.setStudentName(studentNameText.getText());
        addData.setHallName(comboBoxHallName.getValue());
        addData.setHallNumber(comboBoxHallNum.getValue());
        addData.setRoomNumber(Integer.parseInt(roomNumberText.getText()));
        addData.setLeaseNumber(Integer.parseInt(leaseNumberText.getText()));
        addData.setCleaningStatus(comboBoxCleanStt.getValue());

        data.add(addData);

    }