private void FillArrivalCity()
{
DropDownListArrival.Items.Clear();
FlightsService service = Service.getInstanse().flightService;
string DepartureCity = DropDownListDeparture.SelectedValue;
DataTable table;
if (!service.GetArrivalCitiesByDeparture(DepartureCity, out table))
{
return;
}
foreach (DataRow row in table.Rows)
{
DropDownListArrival.Items.Add((string)row[0]);
}
}