partial void DeleteLifestyle_Trailer(Lifestyle_Trailer instance);
partial void UpdateLifestyle_Trailer(Lifestyle_Trailer instance);
private void detach_Lifestyle_Trailers(Lifestyle_Trailer entity) { this.SendPropertyChanging(); entity.Trailer = null; }
partial void InsertLifestyle_Trailer(Lifestyle_Trailer instance);
private void attach_Lifestyle_Trailers(Lifestyle_Trailer entity) { this.SendPropertyChanging(); entity.Categories = this; }