AdministratorBean auth = DataAdmin.getAuthentication(acc);
if (auth != null && pass.equals(auth.getPassword())) {
String name = auth.getFullname();
//JOptionPane.showMessageDialog(rootPane, "Hello "+name, "Error!", JOptionPane.ERROR_MESSAGE);
DataConfig dataConfig = new DataConfig();
ConfigBean config = dataConfig.readConfigFile();
config.setAdminAccount(acc);
config.setAdminID(auth.getAdminID());
if (dataConfig.writeConfigFile(config)){
new MainFrame();
} else{