Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingFailureMechanismResultView.cs
===================================================================
diff -u -r5758dcbd3c038700c314cb3a9921659f88f32f74 -rd49a06fcbf63b36885b0d8f09a01f6539bcbfd56
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingFailureMechanismResultView.cs	(.../PipingFailureMechanismResultView.cs)	(revision 5758dcbd3c038700c314cb3a9921659f88f32f74)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingFailureMechanismResultView.cs	(.../PipingFailureMechanismResultView.cs)	(revision d49a06fcbf63b36885b0d8f09a01f6539bcbfd56)
@@ -58,12 +58,12 @@
                 UpdateDataGridViewDataSource,
                 cg => cg.Children.Concat<object>(cg.Children
                                                    .OfType<PipingCalculationScenario>()
-                                                   .Select(c => c.GetObservableInput())));
+                                                   .Select(c => c.InputParameters)));
             calculationOutputObserver = new RecursiveObserver<CalculationGroup, ICalculationOutput>(
                 UpdateDataGridViewDataSource,
                 cg => cg.Children.Concat<object>(cg.Children
                                                    .OfType<PipingCalculationScenario>()
-                                                   .Select(c => c.GetObservableOutput())));
+                                                   .Select(c => c.Output)));
             calculationGroupObserver = new RecursiveObserver<CalculationGroup, ICalculationBase>(
                 UpdateDataGridViewDataSource,
                 c => c.Children);