private void AddUser(object parameter) { log.Debug("Add user button"); if (Password != Confirm) { NotificationProvider.Error("New user error", "Password does not match the confirm password."); } else { try { if (UserLogin.AddUser(UserID, Password)) { NotificationProvider.Info("New user added", String.Format("Username: {0}", UserID)); NewUserWindow.Close(); } else { NotificationProvider.Error("New user error", "Username already exist."); } } catch { NotificationProvider.Error("New user error", "Please fill the Username and Password fieleds."); } } }