how to bind a list to a combobox? (Winforms)

Question

I want to connect a binding source to a list of class objects and then objects value to a combo box can anyone suggest how to do it

public class Country
    {
        public string Name { get; set; }
        public IList<City> Cities { get; set; }

        public Country()
        {
            Cities = new List<City>();
        }
    }

is my class and i want to bind its name field to a binding source which could be then associated with a combobox

Answer 1

Try something like this:

yourControl.DataSource = countryInstance.Cities;

And if you are using WebForms you will need to add this line:

yourControl.DataBind();

Answer 2

As you are referring to a combobox, I'm assuming you don't want to use 2-way databinding (if so, look at using a BindingList)

public class Country
{
    public string Name { get; set; }
    public IList<City> Cities { get; set; }
    public Country(string _name)
    {
        Cities = new List<City>();
        Name = _name;
    }
}

List<Country> countries = new List<Country> { new Country("UK"), 
                                     new Country("Australia"), 
                                     new Country("France") };

bindingSource1.DataSource = countries;

comboBox1.DataSource = bindingSource1.DataSource;

comboBox1.DisplayMember = "Name";
comboBox1.ValueMember = "Name";

Answer 3

public class Country
    {
        public string Name { get; set; }
        public IList<City> Cities { get; set; }

        public Country()
        {
            Cities = new List<City>();
        }
    }

    public class City { public string Name { get; set; } }

List<Country> Countries = new List<Country>
        {
            new Country
            {
                Name = "Germany",
                Cities =
                {
                    new City {Name = "Berlin"},
                    new City {Name = "Hamburg"}
                }
            },
            new Country
            {
                Name = "England",
                Cities =
                {
                    new City {Name = "London"},
                    new City {Name = "Birmingham"}
                }
            }
        };

        bindingSource1.DataSource = Countries;
        member_CountryComboBox.DataSource = bindingSource1.DataSource;
        member_CountryComboBox.DisplayMember = "Name";
        member_CountryComboBox.ValueMember = "Name";

This is the code i am using now