private void detach_Composition(Composition entity)
 {
     this.SendPropertyChanging();
     entity.Commande = null;
 }
 partial void DeleteComposition(Composition instance);
 partial void InsertComposition(Composition instance);
 partial void UpdateComposition(Composition instance);
 private void attach_Composition(Composition entity)
 {
     this.SendPropertyChanging();
     entity.Article = this;
 }