public IActionResult Edit(int?id)
{
if (id == null || id == 0)
{
return(NotFound());
}
var country = countryManager.FindById((int)id);
if (country == null)
{
return(NotFound());
}
return(View(country));
}
public void FindCountryByIdTest()
{
var countryManager = new CountryManager(new CountryRepository(new ListsDbContext()));
var country = countryManager.FindById(1);
Assert.IsNotNull(country, "Country not found.");
}