private void PopulatePersonalInformationExtraFields(PersonalInformationViewModel model) { model.CentreName = model.Centre.HasValue ? centresDataService.GetCentreName(model.Centre.Value) : null; model.CentreOptions = SelectListHelper.MapOptionsToSelectListItems( centresDataService.GetCentresForDelegateSelfRegistrationAlphabetical(), model.Centre ); }