protected void OnButtonPressedAddFlight(object sender, EventArgs e)
{
string arrival = DropDownListArrival.SelectedValue;
string departure = DropDownListDeparture.SelectedValue;
string priceStr = TextBoxPrice.Text;
if (arrival == "" || departure == "" || priceStr == "")
{
return;
}
if (arrival == departure)
{
return;
}
int price = Convert.ToInt32(priceStr);
FlightsService service = Service.getInstanse().flightService;
service.AddFlightPrice(departure, arrival, price);
UpdateAllTable();
}