private void attach_MstArticles(MstArticle entity)
		{
			this.SendPropertyChanging();
			entity.MstArticleGroup = this;
		}
		private void detach_MstArticles(MstArticle entity)
		{
			this.SendPropertyChanging();
			entity.MstArticleType = null;
		}
 partial void UpdateMstArticle(MstArticle instance);
 partial void DeleteMstArticle(MstArticle instance);
 partial void InsertMstArticle(MstArticle instance);
		private void detach_MstArticles4(MstArticle entity)
		{
			this.SendPropertyChanging();
			entity.MstAccount4 = null;
		}
		private void attach_MstArticles3(MstArticle entity)
		{
			this.SendPropertyChanging();
			entity.MstAccount3 = this;
		}
		private void attach_MstArticles1(MstArticle entity)
		{
			this.SendPropertyChanging();
			entity.MstUser1 = this;
		}
		private void attach_MstArticles2(MstArticle entity)
		{
			this.SendPropertyChanging();
			entity.MstTaxType2 = this;
		}