partial void InsertNop280_ProductVariantAttributeValue(Nop280_ProductVariantAttributeValue instance);
partial void DeleteNop280_ProductVariantAttributeValue(Nop280_ProductVariantAttributeValue instance);
private void detach_ProductVariantAttributeValues(Nop280_ProductVariantAttributeValue entity) { this.SendPropertyChanging(); entity.Nop280_ProductVariant_ProductAttribute_Mapping = null; }