partial void UpdateMemberClassRelation(MemberClassRelation instance);
 partial void InsertMemberClassRelation(MemberClassRelation instance);
		private void attach_MemberClassRelations(MemberClassRelation entity)
		{
			this.SendPropertyChanging();
			entity.Class = this;
		}
		private void detach_MemberClassRelations(MemberClassRelation entity)
		{
			this.SendPropertyChanging();
			entity.Member = null;
		}
 partial void DeleteMemberClassRelation(MemberClassRelation instance);