0
每當我保存對屏幕的更改時都會顯示此錯誤。我正在處理的最後一件事是在WCF RIA Services中創建關係。我查看了所有的異常信息,並試圖在調試器中將代碼一步一步地拋出,但沒有任何結果。 'name'引用沒有用,我評論了引用'name'的每一行代碼。這似乎是這些例外之一,幾乎沒有告訴你這個問題。Microsoft.LightSwitch.DataServiceOperationException:無效的參數「名稱」
[Microsoft.LightSwitch.DataService][Application:Error][LightSwitchServiceApplication.WCF_RIA_ServiceData:SaveChanges] An exception has occurred: Microsoft.LightSwitch.DataServiceOperationException: Invalid argument 'name' ---> System.ArgumentException: Invalid argument 'name'
at Microsoft.LightSwitch.Platform.Utilities.Internal.Parameter.ThrowArgumentException(String parameterName)
at Microsoft.LightSwitch.Details.Framework.Base.DetailsSet`3.GetItemCore(String name)
at Microsoft.LightSwitch.Details.Framework.Base.DetailsSet`1.get_Item(String name)
at Microsoft.LightSwitch.ServerGenerated.Implementation.DataProvider.RiaDataProvider.HandleErrors(ChangeSet changeSet, List`1 entityPairs)
at Microsoft.LightSwitch.ServerGenerated.Implementation.DataProvider.RiaDataProvider.SubmitCore(IEnumerable`1 changes)
at Microsoft.LightSwitch.ServerGenerated.Implementation.DataProvider.DataProvider.Submit(IEnumerable`1 changes)
at Microsoft.LightSwitch.ServerGenerated.Implementation.DataServiceImplementation`1.PerformPersistCore(IEnumerable`1 eventsChangeSetItems)
at Microsoft.LightSwitch.ServerGenerated.Implementation.DataServiceImplementation`1.<>c__DisplayClass46.<PerformPersist>b__45()
at Microsoft.LightSwitch.Threading.DualDispatcherObject.Mutate(IDispatcher logicDispatcher, MutatorHost host, Action mutator)
at Microsoft.LightSwitch.ServerGenerated.Implementation.DataServiceImplementation`1.PerformPersist(IEnumerable`1 eventsChangeSetItems)
at Microsoft.LightSwitch.ServerGenerated.Implementation.DataServiceImplementation`1.Microsoft.LightSwitch.ServerGenerated.Implementation.IServerDataServiceImplementationCore.Submit()
at Microsoft.LightSwitch.ServerGenerated.Implementation.DataService`1.<>c__DisplayClass12.<Microsoft.LightSwitch.ServerGenerated.Implementation.IODataService.SaveChanges>b__10()
at Microsoft.LightSwitch.ServerGenerated.Implementation.DataServiceImplementation`1.InvokeOperationCore[T](String operationName, Object[] args, Boolean invokedFromODataClient, Func`1 invokeOperation, Action catchCallback, Action`2 serializeCustomExceptionInfo)
--- End of inner exception stack trace ---