private void detach_Subj_Teaches(Subj_Teach entity)
		{
			this.SendPropertyChanging();
			entity.Subject = null;
		}
 partial void DeleteSubj_Teach(Subj_Teach instance);
		private void attach_Subj_Teaches(Subj_Teach entity)
		{
			this.SendPropertyChanging();
			entity.Subject = this;
		}
 partial void InsertSubj_Teach(Subj_Teach instance);
 partial void UpdateSubj_Teach(Subj_Teach instance);
 private void detach_Subj_Teaches(Subj_Teach entity)
 {
     this.SendPropertyChanging();
     entity.Subject = null;
 }
 private void attach_Subj_Teaches(Subj_Teach entity)
 {
     this.SendPropertyChanging();
     entity.Subject = this;
 }
 partial void DeleteSubj_Teach(Subj_Teach instance);
 partial void UpdateSubj_Teach(Subj_Teach instance);
 partial void InsertSubj_Teach(Subj_Teach instance);