private void OnUserRoleListRemove(UserRole entity)
 {
     SendPropertyChanging(null);
     entity.User = null;
     SendPropertyChanged(null);
 }
 private void OnUserRoleListRemove(UserRole entity)
 {
     SendPropertyChanging(null);
     entity.Role = null;
     SendPropertyChanged(null);
 }
 private void OnUserRoleListAdd(UserRole entity)
 {
     SendPropertyChanging(null);
     entity.User = this;
     SendPropertyChanged(null);
 }
 private void OnUserRoleListAdd(UserRole entity)
 {
     SendPropertyChanging(null);
     entity.Role = this;
     SendPropertyChanged(null);
 }