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Bug Report T680096
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WinForms - An XAF application crashes when an invalid user List View filter is restored

created 6 years ago (modified 6 years ago)

[DevExpress Support Team: CLONED FROM T622505: Graceful way to handle bad user diff models]

A WinForms XAF application crashes with the following callstack when restoring the user filter by a reference class column if that class no longer exists

Parser error at line 0, character 12: Can't restore user object. Tag 'XpoObject', data 'T622505.Module.BusinessObjects.TestTwo({649170aa-11f3-4203-be13-e9b678c1e08c})', Exception: 'DevExpress.Xpo.Exceptions.CannotResolveClassInfoException: Cannot resolve ClassInfo for type '[]T622505.Module.BusinessObjects.TestTwo'.
   at DevExpress.Xpo.Metadata.XPDictionary.GetClassInfo(String assemblyName, String className)
   at DevExpress.Xpo.Session.GetClassInfo(String assemblyName, String className)
   at DevExpress.Xpo.XpoObjectInCriteriaProcessingHelper.CriteriaOperator_UserValueParse_Core(UserValueProcessingEventArgs e)
   at DevExpress.Xpo.XpoObjectInCriteriaProcessingHelper.CriteriaOperator_UserValueParse(Object sender, UserValueProcessingEventArgs e)
   at DevExpress.Data.Filtering.CriteriaOperator.DoUserValueParse(String tag, String data)
   at DevExpress.Data.Filtering.Helpers.CriteriaLexer.ExtractUserValue(String tag, String data)
   at DevExpress.Data.Filtering.Helpers.CriteriaLexer.DoUserObject()'; ("[Detail!] = {FAILED HERE}##XpoObject#T622505.Module.BusinessObjects.TestTwo({649170aa-11f3-4203-be13-e9b678c1e08c})#")

at DevExpress.Data.Filtering.Helpers.CriteriaParser.Parse(String query, Boolean allowSort)
   at DevExpress.Data.Filtering.Helpers.CriteriaParser.Parse(String stringCriteria, OperandValue[]& criteriaParametersList)
   at DevExpress.Data.Filtering.CriteriaOperator.Parse(String criteria, Object[] parameters)
   at DevExpress.Xpo.XpoObjectInCriteriaProcessingHelper.ParseCriteria(Session session, String stringCriteria, Object[] parameters)
   at DevExpress.ExpressApp.Xpo.XPObjectSpace.ParseCriteria(String criteria)
   at DevExpress.ExpressApp.Win.Editors.ObjectSpaceCriteriaOperatorParser.Parse(String criteriaString)
   at DevExpress.ExpressApp.Win.Editors.XafColumnViewActiveFilterStringAdapter.SetActiveFilterCriteria(ColumnView columnView, String activeFilterString, ICriteriaOperatorParser criteriaOperatorParser)
   at DevExpress.ExpressApp.Win.Editors.XafColumnViewActiveFilterStringAdapter.TryApplyActiveFilterStringToGridView()
   at DevExpress.ExpressApp.Win.Editors.XafColumnViewActiveFilterStringAdapter.gridControlDataSourceManager_ControlDataSourceChanging(Object sender, EventArgs e)
   at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
   at DevExpress.ExpressApp.Win.Editors.XafGridControlDataSourceAdapter.OnControlDataSourceChanging()
   at DevExpress.ExpressApp.Win.Editors.XafGridControlDataSourceAdapter.AssignDataSourceToGridControl(Object dataSource)
   at DevExpress.ExpressApp.Win.Editors.XafGridControlDataSourceAdapter.TryAssignDataSourceToGridControl()
   at DevExpress.ExpressApp.Win.Editors.XafGridControlDataSourceAdapter.grid_HandleCreated(Object sender, EventArgs e)
   at System.EventHandler.Invoke(Object sender, EventArgs e)
   at System.Windows.Forms.Control.OnHandleCreated(EventArgs e)
   at DevExpress.XtraEditors.Container.EditorContainer.OnHandleCreated(EventArgs e)
   at DevExpress.XtraGrid.GridControl.OnHandleCreated(EventArgs e)
   at System.Windows.Forms.Control.WmCreate(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at DevExpress.XtraEditors.Container.EditorContainer.WndProc(Message& m)
   at DevExpress.XtraGrid.GridControl.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Please see the attached screencast and project.

Comments (2)
AG AG
Alex Gn (DevExpress) 6 years ago

    Hello Willem,

    Thank you for pointing out this issue. We researched this situation and came to the conclusion that applications should display a user-friendly exception in this scenario. We are going to add corresponding changes to our code, and I want to make sure that this solution meets your requirements. Let me know if a user-friendly exception is not appropriate in a particular scenario and describe this scenario in detail.

    W W
    Willem de Vries 6 years ago

      Hi Alex,

      Thanks for researching this issue. I'm not sure whether a user-friendly exception is appropriate, assuming that it will stop the process of starting to display the listview. I would prefer a solution that shows a message telling that an illegal filter condition is found and ignored and that the listview will be shown without an active filter.

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      Answers approved by DevExpress Support

      created 6 years ago (modified 6 years ago)

      We have fixed the issue described in this ticket and will include the fix in our next maintenance update. To apply this solution before the official update, request a hotfix by clicking the corresponding link for product versions you require.

      Note: Hotfixes may be unavailable for beta versions and updates that are about to be released.

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