partial void DeleteMstArticleGroup(MstArticleGroup instance);
		private void detach_MstArticleGroups(MstArticleGroup entity)
		{
			this.SendPropertyChanging();
			entity.MstArticleType = null;
		}
 partial void UpdateMstArticleGroup(MstArticleGroup instance);
 partial void InsertMstArticleGroup(MstArticleGroup instance);
		private void detach_MstArticleGroups4(MstArticleGroup entity)
		{
			this.SendPropertyChanging();
			entity.MstAccount4 = null;
		}
		private void attach_MstArticleGroups3(MstArticleGroup entity)
		{
			this.SendPropertyChanging();
			entity.MstAccount3 = this;
		}
		private void attach_MstArticleGroups1(MstArticleGroup entity)
		{
			this.SendPropertyChanging();
			entity.MstUser1 = this;
		}