How to fill a combox in windows application using entity framework c# .net?

In this example, I will show you how to fill a combox in windows application using entity framework c# .net.

  private void LoadCountries()
        {
            var countries = (from c in db.Orders
                             select new { c.ShipCountry }).Distinct().ToList();
           cboCountry.DataSource = countries;
           cboCountry.ValueMember = "shipcountry";
           cboCountry.DisplayMember = "shipcountry";

       }

Output: