partial void DeleteSanPham(SanPham instance);
partial void UpdateSanPham(SanPham instance);
private void detach_SanPhams(SanPham entity) { this.SendPropertyChanging(); entity.Loai1 = null; }
partial void InsertSanPham(SanPham instance);
private void attach_SanPhams(SanPham entity) { this.SendPropertyChanging(); entity.Loai1 = this; }