public PatientAddressViewModel(tAddress address)
 {
     CopyAddressProperties(address);
     CommandSavePatientAddress = new RelayCommand<object>((parameter) => SavePatientAddressData(parameter),(parameter)=>CanSave(parameter));
 }
 private void CopyAddressProperties(tAddress address)
 {
     PatientId = address.PatientId;
     Address1 = address.Address1;
     Address2 = address.Address2;
     PostalCode = address.PostalCode;
     City = address.City;
 }