public virtual ActionResult Create( City newCity ) { TempData[ "info" ] = string.Format( "There's no database behind this page but I've received from you: {0} and {1}" , newCity.Name , this._countries.Where( c => c.Id == newCity.CountryId ).SingleOrDefault( ).Name ); IDictionary<string , IEnumerable<SelectListItem>> countriesByContinent = new Dictionary<string , IEnumerable<SelectListItem>>( ); foreach ( var continent in this._continents ) { var countryList = new List<SelectListItem>( ); foreach ( var country in this._countries.Where( c => c.ContinentId == continent.Id ) ) { countryList.Add( new SelectListItem { Value = country.Id.ToString( ) , Text = country.Name } ); } countriesByContinent.Add( continent.Name , countryList ); } ViewBag.CountriesList = countriesByContinent; return View( MVC.Select.Cities.Views.Create ); }
public void InsertOrUpdate( City city ) { if ( city.Id == default( int ) ) { // New entity context.Cities.Add( city ); } else { // Existing entity context.Entry( city ).State = EntityState.Modified; } }