private void detach_Subcategories(Subcategory entity)
		{
			this.SendPropertyChanging();
			entity.Category = null;
		}
		private void attach_Subcategories(Subcategory entity)
		{
			this.SendPropertyChanging();
			entity.Category = this;
		}
 partial void UpdateSubcategory(Subcategory instance);
 partial void DeleteSubcategory(Subcategory instance);
 partial void InsertSubcategory(Subcategory instance);