public static void AddToDbCountry(CountryDBContext _db, Country country, Region region, City city)
{
country.RegionId = _db.Regions.FirstOrDefault(r => r.Name == region.Name).Id;
country.CityId = _db.Cities.FirstOrDefault(s => s.Name == city.Name).Id;
_db.Countries.Add(country);
_db.SaveChanges();
}
public static void AddToDbRegion(CountryDBContext _db, Region region)
{
_db.Regions.Add(region);
_db.SaveChanges();
}
public static void AddToDbCity(CountryDBContext _db, City city)
{
_db.Cities.Add(city);
_db.SaveChanges();
}