protected void OnRowUpdating(object sender, GridViewUpdateEventArgs e)
{
string departure = e.NewValues[0].ToString();
string arrival = e.NewValues[1].ToString();
string priceStr = e.NewValues[2].ToString();
if (departure == "" || arrival == "" || priceStr == "")
{
e.Cancel = true;
return;
}
int price = Convert.ToInt32(priceStr);
FlightsService service = Service.getInstanse().flightService;
service.UpdateFlightPrice(idFlightPrice, departure, arrival, price);
GridView.EditIndex = -1;
UpdateAllTable();
}