dummy.cs

void LongListSelectorAlphabetic_Loaded(object sender, RoutedEventArgs e)
{
    List<Person> people = new List<Person>
    {
        new Person
        {
            Name = "Rieky",
            Surname = "Acong",
            City = "Inggris"
        },
        new Person
        {
            Name = "Satriyo",
            Surname = "Iyol",
            City = "Milan"
        },
        new Person
        {
            Name = "Fatnan",
            Surname = "Nan",
            City = "China"
        }
    };
}