public MemberSet query(String memberID) throws AppException {
MemberSet objectSet = new MemberSet();
ArrayList<Tuple3<NameValue<String>, NameValue<String>, NameValue<Integer>>> records = null;
try {
memberDA = new MemberDA();
records = memberDA.readData();
if (records != null) {
for (int i = 0; i < records.size(); i++) {
Tuple3<NameValue<String>, NameValue<String>, NameValue<Integer>> record = records.get(i);
if (memberID.equalsIgnoreCase(record.getItem1().getValue())) {