public AttachInfo(SmoPacient smoPacient, S11DataContext vistaMed, Organisation lpu)
            {
                BeginDate = smoPacient.D_PR == DateTime.MinValue ? DateTime.Today : smoPacient.D_PR;
                if (smoPacient.D_OT != DateTime.MinValue)
                    EndDate = smoPacient.D_OT;

                int atty;
                if(!int.TryParse(smoPacient.S_PR, out atty))
                {
                    atty = 1;
                }

                AttachType = vistaMed.RbAttachTypes.First(x => x.FinanceId == 2 && x.Code == atty.ToString());
                if (AttachType == null)
                {
                    atty = 1;
                    AttachType = vistaMed.RbAttachTypes.First(x => x.FinanceId == 2 && x.Code == atty.ToString());
                }

                Lpu = lpu;
            }
 private void detach_Organisations(Organisation entity)
 {
     this.SendPropertyChanging("Organisations");
     entity.RbNet = null;
 }