@Action
    public void btnSaveClickAction() {
        RowData changedData = getTableModel().getData().getChangedData();
        if (changedData.size() > 0) {
            try {
                Put put = changedData.convertToPut();
                table.getHTable().put(put);
                showData(0);
            } catch (IOException ex) {
                throw new ExplorerException("Error saving to table " + table.getFullName());
            }
        }
        else {
            JOptionPane.showMessageDialog(this, "Nothing to save.");
        }
    }