public void InsertAirs(string airportID, string airname, string aircity, string aircountry, string airIATA, string airICAO, string airlatitude, string airlongitude, string airaltitude, string airtimezone, string airdst, string airdbtimezone, string airtype, string airsource) //potrebna dorada
{
string sql = SQLHelper.InsertAirs(airportID, airname, aircity, aircountry, airIATA, airICAO, airlatitude, airlongitude, airaltitude, airtimezone, airdst, airdbtimezone, airtype, airsource);
SQLHelper.ExecuteCommand(sql);
}