private void detach_MemberRelations(MemberRelation entity)
		{
			this.SendPropertyChanging();
			entity.MemberRelationType = null;
		}
 public void Delete(MemberRelation memberRelation)
 {
     _db.MemberRelations.DeleteOnSubmit(memberRelation);
     _db.SubmitChanges();
 }
		private void attach_MemberRelations1(MemberRelation entity)
		{
			this.SendPropertyChanging();
			entity.Member1 = this;
		}
 public void Add(MemberRelation memberRelation)
 {
     _db.MemberRelations.InsertOnSubmit(memberRelation);
     _db.SubmitChanges();
 }