Null reference exception closing DetailView in 23.1.503 .NET 6 #1029
Comments
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post a sampl please |
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Hi, this is the same issue as #1009 , I could repro it with @allshib instructions, attached repro example and video |
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eXpand.lab release 23.1.601.2 includes commit that relate to this task: Please test if it addresses the problem. If you use nuget add our LAB NugetServer as a nuget package source in VS. To minimize version conflicts we recommend that you switch to PackageReference format and use only the eXpandAgnostic, eXpandWin, eXpandWeb packages. Doing so, all packages will be at your disposal and .NET will add a dependecy only to those packages that you actually use and not to all (see the Modules installation-registrations youtube video). Thanks a lot for your contribution. |
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After updating the version to 23.2.4. There is no more error. |
Hello. I get the error after the following steps:
If you refresh the view after the validator appears and close it, there is no error.
Stack:
Object reference not set to an instance of an object.
at Xpand.XAF.Modules.SequenceGenerator.SequenceGeneratorService.<>c__DisplayClass30_1.b__5()
at System.Reactive.Linq.ObservableImpl.Finally
1._.Dispose(Boolean disposing) in /_/Rx.NET/Source/src/System.Reactive/Linq/Observable/Finally.cs:line 67 at System.Reactive.Disposables.CompositeDisposable.Remove(IDisposable item) in /_/Rx.NET/Source/src/System.Reactive/Disposables/CompositeDisposable.cs:line 214 at System.Reactive.Linq.ObservableImpl.SelectMany2.ObservableSelector..InnerObserver.OnCompleted() in //Rx.NET/Source/src/System.Reactive/Linq/Observable/SelectMany.cs:line 964at System.Reactive.Sink
1.ForwardOnCompleted() in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 54 at System.Reactive.Sink1.ForwardOnCompleted() in //Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 54at System.Reactive.Sink
1.ForwardOnCompleted() in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 54 at System.Reactive.Sink1.ForwardOnCompleted() in //Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 54at System.Reactive.Sink
1.ForwardOnCompleted() in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 54 at System.Reactive.Sink1.ForwardOnCompleted() in //Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 54at System.Reactive.SafeObserver
1.WrappingSafeObserver.OnNext(TSource value) in /_/Rx.NET/Source/src/System.Reactive/Internal/SafeObserver.cs:line 30 at System.Reactive.Linq.ObservableImpl.Take1.Count..OnNext(TSource value) in //Rx.NET/Source/src/System.Reactive/Linq/Observable/Take.cs:line 59at System.Reactive.Subjects.Subject`1.OnNext(T value) in //Rx.NET/Source/src/System.Reactive/Subjects/Subject.cs:line 145
at System.ComponentModel.Component.Dispose(Boolean disposing)
at DevExpress.ExpressApp.Xpo.XPObjectSpace.DisposeSession(Session session)
at DevExpress.ExpressApp.Xpo.XPObjectSpace.Dispose()
at DevExpress.ExpressApp.CompositeView.DisposeObjectSpace()
at DevExpress.ExpressApp.CompositeView.DisposeCore()
at DevExpress.Persistent.Base.SafeExecutor.Execute(Method method, Object targetObject, String targetObjectIdentifier)
at DevExpress.ExpressApp.View.Dispose()
at DevExpress.Persistent.Base.SafeExecutor.Execute(Method method, Object targetObject, String targetObjectIdentifier)
at DevExpress.ExpressApp.Frame.Dispose()
at DevExpress.ExpressApp.Win.WinShowViewStrategyBase.ShowViewInModalWindow(ShowViewParameters parameters, ShowViewSource showViewSource)
at DevExpress.ExpressApp.Win.MdiShowViewStrategy.ShowViewInModalWindow(ShowViewParameters parameters, ShowViewSource showViewSource)
at DevExpress.ExpressApp.Actions.ActionBase.ExecuteCore(Delegate handler, ActionBaseEventArgs eventArgs)
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