private void updateTableForButton() {
        messageTable.clearSelection();
        TableModel model = messageTable.getModel();
        if(model instanceof MessageSetModel) {
            for(int i=0; i<model.getRowCount(); i++) {
                model.setValueAt("", i, 6); 
            }
        }
        
        vmeMsgTable.clearSelection();
        model = vmeMsgTable.getModel();
        if(model instanceof VMEMessageSetModel) {
            for(int i=0; i<model.getRowCount(); i++) {
                model.setValueAt("", i, 6); 
            }
        }
    }