>internal static String GetGuestActivity(Dictionary<String, String> parameters) > { > Logging.Log(1, "Entering GetGuestActivity"); > > List<String> requiredParameters = new List<String>() { "tnGuestNo", "ttStartDate", "ttEndDate" }; > //always required parameters (but not used) { "tcSalesPoint", "tcOperator" }; > //optional parameters { "tcFilter"}; > > //TODO: get rid of not used tcFilter parameter in the code and SP > > HashSet<String> availableReturnTypes = new HashSet<String>(StringComparer.OrdinalIgnoreCase) { "STR", "ADO", "XML", "XM2" }; > > String messageText = ""; > Int32 errorValue = 0; > Int32 statusCode = 0; > > // If all necessary parameters are present and valid, proceed... > if (Functions.CheckRequiredParameters(parameters, requiredParameters, availableReturnTypes, out statusCode, out messageText)) > { > // Parse out the parameters > String tcGuestNo = Functions.GetParameterValue(parameters, "tnGuestNo"); > String tcStartDate = Functions.GetParameterValue(parameters, "ttStartDate"); > String tcEndDate = Functions.GetParameterValue(parameters, "ttEndDate"); > String tcFilter = Functions.GetParameterValue(parameters, "tcFilter"); > > Decimal guestNo; > > if (!Decimal.TryParse(tcGuestNo, out guestNo) || 0 == guestNo) > { > statusCode = 999; > messageText = "tnGuestNo expression can not be zero"; > return Base.LogAndReturnResult(errorValue, statusCode, messageText); > }>