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;
}