@Action
    public void btnAddColumnClickAction() {
        JFrame mainFrame = HBaseExplorerApp.getApplication().getMainFrame();
        NewColumnDialog dialog = new NewColumnDialog(mainFrame, table);
        dialog.setLocationRelativeTo(mainFrame);
        HBaseExplorerApp.getApplication().show(dialog);

        HBTriplet triplet = dialog.getTriplet();
        if (triplet != null) {
            try {
                Put put = new Put(rowKey.getBytes());
                put.add(triplet.getFamily(), triplet.getQualifier(), triplet.getValue());
                table.getHTable().put(put);
                showData(0);
            } catch (IOException ex) {
                throw new ExplorerException("Error adding column : " + triplet);
            }
        }
        
    }