//Tries to delete the user with the specified RFID. //Notifies the messenger if the deletion is succsesful and closes the Window //If the deletion is not succesful the user will be notified with a message in the current Window private void RemoveUserMethod() { var user = _userService.DeleteUserRfid(RFID); RFID = string.Empty; if (user != null) { Messenger.Default.Send <NotificationMessage>(new NotificationMessage($"{user.FirstName} {user.LastName} has been removed")); _dialogService.CloseRemoveUserDialog(); } else { Result = "The User could not be found"; } }