partial void DeletetblPaper(tblPaper instance);
 partial void UpdatetblPaper(tblPaper instance);
		private void detach_tblPapers(tblPaper entity)
		{
			this.SendPropertyChanging();
			entity.tblTutor = null;
		}
 partial void InserttblPaper(tblPaper instance);
		private void attach_tblPapers(tblPaper entity)
		{
			this.SendPropertyChanging();
			entity.tblTutor = this;
		}