// use ordinals to speed up access to DataReader // links: // crud definition: https://en.wikipedia.org/wiki/Create,_read,_update_and_delete // docLink: http://sql2x.org/documentationLink/327451c3-64a8-4de8-b359-76742d634497 // parameters: // reader: IDataReader from SQLClient public void Populate(IDataReader reader, ServiceCarRentalListDataOrdinals ordinals) { if (!reader.IsDBNull(ordinals.CarName)) { CarName = reader.GetString(ordinals.CarName); } if (!reader.IsDBNull(ordinals.DayPriceAmount)) { DayPriceAmount = reader.GetDecimal(ordinals.DayPriceAmount); } if (!reader.IsDBNull(ordinals.FinancialCurrencyTypeName)) { FinancialCurrencyTypeName = reader.GetString(ordinals.FinancialCurrencyTypeName); } if (!reader.IsDBNull(ordinals.ServiceCarRentalId)) { ServiceCarRentalId = reader.GetGuid(ordinals.ServiceCarRentalId); } }
/// <summary>Service car rental List</summary> /// <cardinality>Many</cardinality> public List <ServiceCarRentalListData> ServiceCarRentalList( ) { var ret = new List <ServiceCarRentalListData>(); string sql = @" select scr.car_name ,scr.day_price_amount ,fc.financial_currency_type_name ,scr.service_car_rental_id from service_car_rental as scr inner join financial_currency as fc on fc.financial_currency_id = scr.financial_currency_id order by scr.car_name "; using (var conn = new SqlConnection(Conn.ConnectionString)) { conn.Open(); conn.BeginTransaction(IsolationLevel.ReadUncommitted).Commit(); using (var command = new SqlCommand(sql, conn)) { Logging log = Logging.PerformanceTimeStart("SolutionNorSolutionPort.DataAccessLayer.FinancialSearch.ServiceCarRentalList"); IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult); log.PerformanceTimeStop(sql, command); var ordinals = new ServiceCarRentalListDataOrdinals(reader); while (reader.Read()) { var data = new ServiceCarRentalListData(); data.Populate(reader, ordinals); ret.Add(data); } reader.Close(); } return(ret); } }