protected override void ValidateArgs()
        {
            base.ValidateArgs();

            if (QueryArgs.ContainsVariable("ident"))
            {
                QueryArgs["ident"].PropertyValue = new PropertyValue(((string)(QueryArgs["ident"].PropertyValue.Value ?? "")).ToUpper());
            }
            else if (QueryArgs.ContainsVariable("faFlightID"))
            {
                var flightid = QueryArgs["faFlightID"];
                QueryArgs.Clear();
                QueryArgs.Add(new EqualQueryArg {
                    Variable = "ident", PropertyValue = new PropertyValue(flightid.PropertyValue.Value)
                });
            }
        }