Refreshing AbstractTableModel from different class...

Hi there ppl
Anybody know how to call:
model.fireTableStructureChanged()
from a different class? when i try i get a compiler error saying that i cannot reference a non-static variable from a staic content.
the first jframe holds a jtable that displays the model which consists of data from a db. the second jframe (which resides in another class) has a jtextfield which when submitted will update the db, therefore the db results need to be updated and then the model needs to be updated via
model.fireTableStructureChanged()
but from a different class. Is this possible and if so can somebody explain to me how?
Thanks fellow Javites.

Thanks for replying...
The TrainServiceFrame.updateStationTable() exists within the TrainServiceFrame class and is intended to update the stationModel object when called from another class (which will be the NewTrainStationFrame class).
<code>
     public static void updateStationTable() {
          stationModel.fireTableStructureChanged();
</code>
The second code fragement is from the second class NewTrainStationFrame (which is not a subclass) which contains a jframe, jtextfield and a button. the method call to the stationModel(stationModel = AbstractTableModel) is done via: TrainServiceFrame.updateStationTable() when the submit button is clicked sending the string to a method ( addNewStation(newStation); )which updates the db.
<code>
button.addActionListener(new ActionListener() {
          public void actionPerformed(ActionEvent e) {
                    newStation = newStationField.getText();
                    addNewStation(newStation);
// this would retrieve the updated db results + store in a TreeSet object
// TrainServiceFrame.getTrainStations();
                    TrainServiceFrame.updateStationTable();
</code>
I have just noticed something that is missing which when attempted to fix resulted in the same problem. there should also be a method called to retrieve the updated db, but as this is from a static context yet again i fall into the same ditch as the variables that store these db results are non-static and exist within the TrainStationFrame class.
Is the solution simply to change these relevent variables and methods that are to be called from another class, so that they are all static?

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-- Brady E

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