private void DeleteHealthInsurance()
        {
            if (SelectedHealthInsurance == null)
            {
                return;
            }

            if (SelectedHealthInsurance.HealthInsuranceId == 0)
            {
                HealthInsuranceList.Remove(SelectedHealthInsurance);
                SelectedHealthInsurance = null;
                return;
            }

            HealthInsurances.Delete(SelectedHealthInsurance.HealthInsuranceId);
            HealthInsuranceList.Remove(SelectedHealthInsurance);
            SelectedHealthInsurance = null;
        }
 private void NewHealthInsurance()
 {
     SelectedHealthInsurance = new HealthInsurance();
     HealthInsuranceList.Add(SelectedHealthInsurance);
 }