if (rows.length != 1){
JOptionPane.showMessageDialog(this, "You must select one and only one member from UNJOINERS LIST");
} else{
try{
//lay thong tin fee
DataEvent dataEvent = new DataEvent();
DataMember dataMember = new DataMember();
DataAttendance dataAttendance = new DataAttendance();
DataTransaction dataTransaction = new DataTransaction();
EventBean event = dataEvent.getEventByID(eventID);
//tru tien
DataConfig dataConfig = new DataConfig();
ConfigBean config = dataConfig.readConfigFile();
int admin = config.getAdminID();