selectAll.setSelected(true);
TableColumnModel tcm = new DefaultTableColumnModel();
for (int col = 0; col < data.getColumnCount(); col++)
if (data.hasData(col))
tcm.addColumn(tableColumns[col]);
table.setColumnModel(tcm);
ErrorData error = data.getErrorData();
if (error != null) {
messageLabel.setText(error.getError());