public int CloseAppointment(PatientRecordModel patientRecord) { int result = 0; if (patientRecord != null) { PractitionerBusiness businessLayer = new PractitionerBusiness(); businessLayer.StockUpdate(patientRecord); if (patientRecord.AppointmentId != null || !patientRecord.AppointmentId.Equals(Guid.Empty)) { result = businessLayer.CloseAppointment(patientRecord.AppointmentId); } } return(result); }