private void emtpyResultDBbySimulationNumber(SimulationNumber simNr) { var _simNr = simNr; using (_ctxResult) { _ctxResult.RemoveRange(entities: _ctxResult.SimulationJobs.Where(predicate: a => a.SimulationNumber.Equals(_simNr.Value))); _ctxResult.RemoveRange(entities: _ctxResult.Kpis.Where(predicate: a => a.SimulationNumber.Equals(_simNr.Value))); _ctxResult.RemoveRange(entities: _ctxResult.StockExchanges.Where(predicate: a => a.SimulationNumber.Equals(_simNr.Value))); _ctxResult.SaveChanges(); } }