private List <MeterDataSet> LoadMeterDataSets(DbAdapterContainer dbAdapterContainer, FileGroup fileGroup) { List <MeterDataSet> meterDataSets = new List <MeterDataSet>(); MeterInfoDataContext meterInfo = dbAdapterContainer.GetAdapter <MeterInfoDataContext>(); EventTableAdapter eventAdapter = dbAdapterContainer.GetAdapter <EventTableAdapter>(); EventDataTableAdapter eventDataAdapter = dbAdapterContainer.GetAdapter <EventDataTableAdapter>(); MeterData.EventDataTable eventTable = eventAdapter.GetDataByFileGroup(fileGroup.ID); MeterDataSet meterDataSet; DataGroup dataGroup; foreach (IGrouping <int, MeterData.EventRow> eventGroup in eventTable.GroupBy(evt => evt.MeterID)) { meterDataSet = new MeterDataSet(); meterDataSet.Meter = meterInfo.Meters.SingleOrDefault(meter => meter.ID == eventGroup.Key); foreach (MeterData.EventRow evt in eventGroup) { dataGroup = new DataGroup(); dataGroup.FromData(meterDataSet.Meter, eventDataAdapter.GetTimeDomainData(evt.EventDataID)); foreach (DataSeries dataSeries in dataGroup.DataSeries) { meterDataSet.DataSeries.Add(dataSeries); } } meterDataSets.Add(meterDataSet); } return(meterDataSets); }