public abstract BenchmarkProperty editBenchmark(int benchmarkId, BenchmarkProperty newBenchmark);
        public override BenchmarkProperty editBenchmark(int benchmarkId, BenchmarkProperty newBenchmark)
        {
            BenchmarkProperty oldBenchmark = emdb.Benchmarks.Find(benchmarkId);

            oldBenchmark.BenchmarkCO2Good = newBenchmark.BenchmarkCO2Good;
            oldBenchmark.BenchmarkCO2Typical = newBenchmark.BenchmarkCO2Typical;
            oldBenchmark.BenchmarkkWhGood = newBenchmark.BenchmarkkWhGood;
            oldBenchmark.BenchmarkkWhTypical = newBenchmark.BenchmarkkWhTypical;
            oldBenchmark.FloorArea = newBenchmark.FloorArea;
            oldBenchmark.typeAveragekWh = newBenchmark.typeAveragekWh;
            oldBenchmark.typeBestkWh = newBenchmark.typeBestkWh;

            emdb.SaveChanges();
            return oldBenchmark;
        }