private void detach_categories_has_basedivisors(categories_has_basedivisor entity)
		{
			this.SendPropertyChanging();
			entity.base_divisor = null;
		}
 partial void Insertcategories_has_basedivisor(categories_has_basedivisor instance);
 partial void Deletecategories_has_basedivisor(categories_has_basedivisor instance);
		private void attach_categories_has_basedivisors(categories_has_basedivisor entity)
		{
			this.SendPropertyChanging();
			entity.category = this;
		}