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                                  • Actual Results:

                                    ================================================================================

                                    18.01.08 10:25:04.741     --------------------------------------------------------------------------------

                                    18.01.08 10:25:04.742     Execute action

                                    18.01.08 10:25:04.743          Type: DevExpress.ExpressApp.Actions.SimpleAction

                                    18.01.08 10:25:04.744          ID: ListViewShowObject

                                    18.01.08 10:25:04.744          Category: ListView

                                    18.01.08 10:25:04.745          ContextName: Expenses

                                    18.01.08 10:25:04.746          IsRoot: True

                                    18.01.08 10:25:04.747          Selection.Count: 1

                                    18.01.08 10:25:04.750          CurrentObject: TrackerTesting1a.Module.Expenses(71671200-6b9b-4750-9655-cffe196d907a)

                                    18.01.08 10:25:05.879     Action 'ListViewShowObject' done

                                    18.01.08 10:25:08.718     Window closing: Expenses

                                    18.01.08 10:25:08.778     Window closed: TrackerTesting1a

                                    18.01.08 10:25:10.683     ================================================================================

                                    The error occured

                                         Type: CannotResolveClassInfoException

                                         Message: Can't resolve ClassInfo for the type '[mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]System.String'"

                                         Data: 0 entries

                                         Stack trace:

                                       at DevExpress.Xpo.Metadata.XPDictionary.GetClassInfo(Type classType)

                                       at DevExpress.Xpo.Session.GetClassInfo(Type classType)

                                       at DevExpress.Xpo.XPCollection..ctor(Session session, Type objType, CriteriaOperator theCriteria, SortProperty[] sortProperties)

                                       at DevExpress.ExpressApp.ObjectSpace.CreateCollection(Type objectType, CriteriaOperator criteria, SortingCollection sortings)

                                       at DevExpress.ExpressApp.CollectionSource.RecreateCollection(CriteriaOperator criteria, SortingCollection sortings)

                                       at DevExpress.ExpressApp.CollectionSourceBase.EnsureCollection(SortingCollection sortings)

                                       at DevExpress.ExpressApp.Editors.LookupEditorHelper.CanFilter(CollectionSourceBase collectionSource, Object editingObject)

                                       at DevExpress.ExpressApp.Editors.LookupEditorHelper.CanFilterDataSource(Object editingObject)

                                       at DevExpress.ExpressApp.Win.Editors.LookupEditPopupForm..ctor(LookupEdit ownerEdit)

                                       at DevExpress.ExpressApp.Win.Editors.LookupEdit.CreatePopupForm()

                                       at DevExpress.XtraEditors.PopupBaseEdit.GetPopupForm()

                                       at DevExpress.XtraEditors.PopupBaseEdit.DoShowPopup()

                                       at DevExpress.XtraEditors.PopupContainerEdit.DoShowPopup()

                                       at DevExpress.ExpressApp.Win.Editors.LookupEdit.DoShowPopup()

                                       at DevExpress.XtraEditors.PopupBaseEdit.ShowPopup()

                                       at DevExpress.XtraEditors.PopupContainerEdit.ShowPopup()

                                       at DevExpress.ExpressApp.Win.Editors.GridListEditor.gridView_ShownEditor(Object sender, EventArgs e)

                                       at DevExpress.XtraGrid.Views.Base.ColumnView.RaiseShownEditor()

                                       at DevExpress.ExpressApp.Win.Editors.XafGridView.RaiseShownEditor()

                                       at DevExpress.XtraGrid.Views.Base.ColumnView.UpdateEditor(RepositoryItem ritem, UpdateEditorInfoArgs args)

                                       at DevExpress.XtraGrid.Views.Grid.GridView.ActivateEditor(GridCellInfo cell)

                                       at DevExpress.XtraGrid.Views.Grid.GridView.ShowEditor()

                                       at DevExpress.XtraGrid.Views.Grid.Handler.GridRegularRowNavigator.OnMouseUp(GridHitInfo hitInfo, DXMouseEventArgs e)

                                       at DevExpress.XtraGrid.Views.Grid.Handler.GridHandler.OnMouseUp(MouseEventArgs ev)

                                       at DevExpress.Utils.Controls.BaseHandler.ProcessEvent(EventType etype, Object args)

                                       at DevExpress.XtraGrid.Views.Base.Handler.BaseViewHandler.ProcessEvent(EventType etype, Object args)

                                       at DevExpress.XtraGrid.GridControl.OnMouseUp(MouseEventArgs ev)

                                       at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)

                                       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)

                                         InnerException is null

                                0
                                Actual Results: ================================================================================ 18.01.08 10:25:04.741 -------------------------------------------------------------------------------- 18.01.08 10:25:04.742 Execute action 18.01.08 10:25:04.743 Type: DevExpress.ExpressApp.Actions.SimpleAction 18.01.08 10:25:04.744 ID: ListViewShowObject 18.01.08 10:25:04.744 Category: ListView 18.01.08 10:25:04.745 ContextName: Expenses 18.01.08 10:25:04.746 IsRoot: True 18.01.08 10:25:04.747 Selection.Count: 1 18.01.08 10:25:04.750 CurrentObject: TrackerTesting1a.Module.Expenses(71671200-6b9b-4750-9655-cffe196d907a) 18.01.08 10:25:05.879 Action 'ListViewShowObject' done 18.01.08 10:25:08.718 Window closing: Expenses 18.01.08 10:25:08.778 Window closed: TrackerTesting1a 18.01.08 10:25:10.683 ================================================================================ The error occured Type: CannotResolveClassInfoException Message: Can't resolve ClassInfo for the type '[mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]System.String'" Data: 0 entries Stack trace: at DevExpress.Xpo.Metadata.XPDictionary.GetClassInfo(Type classType) at DevExpress.Xpo.Session.GetClassInfo(Type classType) at DevExpress.Xpo.XPCollection..ctor(Session session, Type objType, CriteriaOperator theCriteria, SortProperty[] sortProperties) at DevExpress.ExpressApp.ObjectSpace.CreateCollection(Type objectType, CriteriaOperator criteria, SortingCollection sortings) at DevExpress.ExpressApp.CollectionSource.RecreateCollection(CriteriaOperator criteria, SortingCollection sortings) at DevExpress.ExpressApp.CollectionSourceBase.EnsureCollection(SortingCollection sortings) at DevExpress.ExpressApp.Editors.LookupEditorHelper.CanFilter(CollectionSourceBase collectionSource, Object editingObject) at DevExpress.ExpressApp.Editors.LookupEditorHelper.CanFilterDataSource(Object editingObject) at DevExpress.ExpressApp.Win.Editors.LookupEditPopupForm..ctor(LookupEdit ownerEdit) at DevExpress.ExpressApp.Win.Editors.LookupEdit.CreatePopupForm() at DevExpress.XtraEditors.PopupBaseEdit.GetPopupForm() at DevExpress.XtraEditors.PopupBaseEdit.DoShowPopup() at DevExpress.XtraEditors.PopupContainerEdit.DoShowPopup() at DevExpress.ExpressApp.Win.Editors.LookupEdit.DoShowPopup() at DevExpress.XtraEditors.PopupBaseEdit.ShowPopup() at DevExpress.XtraEditors.PopupContainerEdit.ShowPopup() at DevExpress.ExpressApp.Win.Editors.GridListEditor.gridView_ShownEditor(Object sender, EventArgs e) at DevExpress.XtraGrid.Views.Base.ColumnView.RaiseShownEditor() at DevExpress.ExpressApp.Win.Editors.XafGridView.RaiseShownEditor() at DevExpress.XtraGrid.Views.Base.ColumnView.UpdateEditor(RepositoryItem ritem, UpdateEditorInfoArgs args) at DevExpress.XtraGrid.Views.Grid.GridView.ActivateEditor(GridCellInfo cell) at DevExpress.XtraGrid.Views.Grid.GridView.ShowEditor() at DevExpress.XtraGrid.Views.Grid.Handler.GridRegularRowNavigator.OnMouseUp(GridHitInfo hitInfo, DXMouseEventArgs e) at DevExpress.XtraGrid.Views.Grid.Handler.GridHandler.OnMouseUp(MouseEventArgs ev) at DevExpress.Utils.Controls.BaseHandler.ProcessEvent(EventType etype, Object args) at DevExpress.XtraGrid.Views.Base.Handler.BaseViewHandler.ProcessEvent(EventType etype, Object args) at DevExpress.XtraGrid.GridControl.OnMouseUp(MouseEventArgs ev) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) 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) InnerException is null
                                TrackerTesting1a.rar
                                0
                                Hi Gary,

                                We investigated your project and found out that this error is caused by the following code within the \TrackerTesting1a.Module.Win\Model.DesignedDiffs.xafml file:
                                <codee lang="xml">
                                <ListView ID="Expenses_ListView">
                                     <Columns>
                                          <ColumnInfo PropertyName="ProjectName" PropertyEditorType="DevExpress.ExpressApp.Win.Editors.LookupPropertyEditor" />
                                     </Columns>
                                </ListView>
                                </code>
                                Don't use the DevExpress.ExpressApp.Win.Editors.LookupPropertyEditor for string properties. This editor is designed to represent properties that reference others classes, for example:
                                <code lang="vb">
                                Private _Intake As Intake
                                    Public Property Intake() As Intake
                                        Get
                                            Return _Intake
                                        End Get
                                        Set(ByVal value As Intake)
                                            SetPropertyValue("Intake", _Intake, value)
                                        End Set
                                    End Property
                                </code>
                                The Intake property references another class. In the UI context it will be shown using a drop-down box with a list of Intake class objects.

                                Thanks
                                Dennis
                                0

                                OK, Thanks Dennis.

                                --Gary

                                0

                                Welcome, Gary!

                                Cheers
                                Dennis

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