//  SearchBirthday     ;
//      ,   null     
private String SearchBirthday() {
    String name = null;
    try {
        //      
        BirthdayFilter filter = new BirthdayFilter();
        //    c   
        RecordEnumeration re = recordStore.enumerateRecords(filter, null, false);
        //  ID 
        int id = re.nextRecordId();
        //    ID
        byte[] record = recordStore.getRecord(id);
        //     
        ByteArrayInputStream bais = new ByteArrayInputStream(record);
        //  ,    
        DataInputStream dis = new DataInputStream(bais);
        //      
        name = dis.readUTF();
    }
    catch(RecordStoreException rse) {}
    catch(IOException ioe) {}
    //   
    return name;
}
