private void detach_Assessments(Assessments entity)
		{
			this.SendPropertyChanging();
			entity.Courses = null;
		}
		private void attach_Assessments(Assessments entity)
		{
			this.SendPropertyChanging();
			entity.Courses = this;
		}
 partial void UpdateAssessments(Assessments instance);
 partial void DeleteAssessments(Assessments instance);
 partial void InsertAssessments(Assessments instance);