Sure, I will post a sample project. But this error doesnt happen in dev machine, it happens only in  few customer machines...

Thanks for the reply. I am using WinForms on Dot Net Framework 4.0. Using Model View Presenter Pattern. Grid Control is in Win Form and all the code that handles the events are in the seperate Presenter Class. Usually I always check my code for bugs. But this one I am confused by the exception message. I am pasting the error stack. i will also email the sample project.

System.IndexOutOfRangeException: Index was outside the bounds of the array.

   at Infragistics.Shared.SparseArray.ValidateIndex(Int32 index)

   at Infragistics.Shared.SparseArray.GetItem(Int32 index, ICreateItemCallback createItemCallback)

   at Infragistics.Win.UltraWinGrid.RowsCollection.InternalTraverseRowsHelper(UltraGridBand band, IRowCallback rowCallback, IRowsCollectionCallback rowsCollectionCallback, Boolean recursive, Boolean includeTemplateAddRows)

   at Infragistics.Win.UltraWinGrid.RowsCollection.InternalTraverseRowsHelper(UltraGridBand band, IRowCallback rowCallback, Boolean recursive)

   at Infragistics.Win.UltraWinGrid.SummaryValue.CalculateSummaryValue(RowsCollection rows, SummarySettings summarySettings)

   at Infragistics.Win.UltraWinGrid.SummaryValue.CalculateSummaryValue()

   at Infragistics.Win.UltraWinGrid.SummaryValue.get_Value()

   at Infragistics.Win.UltraWinGrid.SummaryValue.get_SummaryText()

   at Infragistics.Win.UltraWinGrid.SummaryValueUIElement.PositionChildElements()

   at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UltraWinGrid.RowColRegionIntersectionUIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UltraWinGrid.DataAreaUIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UltraWinGrid.UltraGridUIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UIElement.DrawHelper(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode, Boolean clipText, Boolean forceDrawAsFocused, Boolean preventAlphaBlendGraphics)

   at Infragistics.Win.ControlUIElementBase.Draw(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode, Size elementSize, Boolean preventAlphaBlendGraphics)

   at Infragistics.Win.ControlUIElementBase.Draw(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode)

   at Infragistics.Win.UltraWinGrid.UltraGridUIElement.Draw(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode)

   at Infragistics.Win.UltraControlBase.OnPaint(PaintEventArgs pe)

   at Infragistics.Win.UltraWinGrid.UltraGrid.OnPaint(PaintEventArgs pe)

   at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer)

   at System.Windows.Forms.Control.WmPaint(Message& m)

   at System.Windows.Forms.Control.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)

Hi,

If you can post a sample project so we can duplicate the exception, we can certainly look into it.

My guess is that this was a bug in the 9.2 version of the controls. The version you are using was the last service release, so it's possible that this bug went unnoticed until after the 9.2 version was retired.

Are you using formulas in for your summaries (or anything else)? Or are you just using the built-in summaries?

If you are using formulas, then you might be able to work around this by setting the FormulaRowSourceIndex to something other than VisibleIndex.

        private void ultraGrid1_InitializeLayout(object sender, Infragistics.Win.UltraWinGrid.InitializeLayoutEventArgs e)
        {
            UltraGridLayout layout = e.Layout;
            UltraGridOverride ov = layout.Override;

            ov.FormulaRowIndexSource = FormulaRowIndexSource.RowIndex;
            // or
            //ov.FormulaRowIndexSource = FormulaRowIndexSource.ListIndex;
        }

If that doesn't work, I recommend that you try downloading a trial version of NetAdvantage 11.2 and see if the problem is fixed in the latest version.

Hi.. I have been having this problem for a while now too. I'm interested in why using threads would be an issue and if there is a way to still use threading and not get this error.

We run some checks on the number of items in several areas to update the toolbar items with the numbers (we have not yet implemented the badges yet, but plan to) and in the worker completed event we update the toolbar items with the new settings.

We also use the tabbed mdi control with the toolbar manager.

Any suggestions on where to look or what to look for would be greatly appreciated.

Here's the stack trace of the error I am getting

   at System.Drawing.Image.get_FrameDimensionsList()
   at System.Drawing.ImageAnimator.CanAnimate(Image image)
   at Infragistics.Win.AnimatedImageManager.AnimateHelper(Image image, UIElement owningElement, Boolean isBackgroundImage)
   at Infragistics.Win.ImageUIElementBase.DrawImage(UIElementDrawParams& drawParams)
   at Infragistics.Win.ImageAndTextUIElement.ImageAndTextDependentImageUIElement.DrawImage(UIElementDrawParams& drawParams)
   at Infragistics.Win.UIElement.DrawElement(UIElementDrawParams& defaultDrawParams)
   at Infragistics.Win.UIElement.DrawChildElements(UIElementDrawParams& drawParams)
   at Infragistics.Win.UIElement.DrawElement(UIElementDrawParams& defaultDrawParams)
   at Infragistics.Win.UIElement.DrawChildElements(UIElementDrawParams& drawParams)
   at Infragistics.Win.UIElement.DrawElement(UIElementDrawParams& defaultDrawParams)
   at Infragistics.Win.UIElement.DrawChildElements(UIElementDrawParams& drawParams)
   at Infragistics.Win.UIElement.DrawElement(UIElementDrawParams& defaultDrawParams)
   at Infragistics.Win.UIElement.DrawChildElements(UIElementDrawParams& drawParams)
   at Infragistics.Win.UIElement.DrawElement(UIElementDrawParams& defaultDrawParams)
   at Infragistics.Win.UIElement.DrawChildElements(UIElementDrawParams& drawParams)
   at Infragistics.Win.UIElement.DrawElement(UIElementDrawParams& defaultDrawParams)
   at Infragistics.Win.UIElement.DrawHelper(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode, Boolean clipText, Boolean forceDrawAsFocused, Boolean preventAlphaBlendGraphics)
   at Infragistics.Win.ControlUIElementBase.Draw(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode, Size elementSize, Boolean preventAlphaBlendGraphics)
   at Infragistics.Win.ControlUIElementBase.Draw(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode)
   at Infragistics.Win.UltraControlBase.OnPaint(PaintEventArgs pe)
   at Infragistics.Win.UltraWinToolbars.UltraToolbarsDockArea.OnPaint(PaintEventArgs pe)
   at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer)
   at System.Windows.Forms.Control.WmPaint(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

DeclaringMethod = 'DirectCast(DirectCast(e.Exception._exceptionMethod, System.Reflection.RuntimeMethodInfo).DeclaringType, System.RuntimeType).DeclaringMethod' threw an exception of type 'System.InvalidOperationException'

Mike,

I've similar issue with UltraWinGrid that I am binding to BindingList<MyClass>. It was working all fine until recently I added a couple of fields (Enum and string fields) to my class that I am updating in separate thread spawned by Task(TPL). I am not adding new items in DataSource itself but i am just changing data in BindingList and Ultragrid throws following error once out of 4-5 times I update the object. The dll version for UltraWinGrid is 13.1.20131.2124.

Also, I've changed my code as following recently to update the row display in case the object is modified in seperate thread.

 private void ultraGrid1_InitializeRow(object sender, InitializeRowEventArgs e)
        {
            try
            {
                this.Grid.SuspendRowSynchronization();
                FileWatchConfiguration fwc = e.Row.ListObject as FileWatchConfiguration;

                if (!bInitializing)
                {
                    if (fwc != null)
                    {
                        SetStatusCellBackColor(fwc.Status, e.Row.Cells["Status"]);
                        this.Grid.DisplayLayout.PerformAutoResizeColumns(false, PerformAutoSizeType.AllRowsInBand);
                    }
                }               
            }
            finally
            {
                this.Grid.ResumeRowSynchronization();
            }
        }

Here is the exception I am seeing. Is there anything I can do to prevent the error? I am thinking about adding an unbound column and changing its content as part of ultraGrid1_InitializeRow. But, i don't want to add something silly like that if there is a better way to address it.

************** Exception Text **************

System.IndexOutOfRangeException: Index was outside the bounds of the array.

   at System.Array.Clear(Array array, Int32 index, Int32 length)

   at System.Collections.Generic.Dictionary`2.Clear()

   at Infragistics.Win.UltraWinGrid.UltraGridLayout.EndCaching()

   at Infragistics.Win.UltraWinGrid.RowScrollRegion.RegenerateVisibleRows(Boolean resetScrollInfo)

   at Infragistics.Win.UltraWinGrid.RowScrollRegion.WillScrollbarBeShown(ScrollbarVisibility assumeColScrollbarsVisible)

   at Infragistics.Win.UltraWinGrid.ViewStyleBase.FitColumnsToWidth()

   at Infragistics.Win.UltraWinGrid.BandsCollection.CalculateBandMetrics(Int32 pass)

   at Infragistics.Win.UltraWinGrid.BandsCollection.CalculateBandMetrics()

   at Infragistics.Win.UltraWinGrid.ColScrollRegionsCollection.InitializeMetricsHelper()

   at Infragistics.Win.UltraWinGrid.ColScrollRegionsCollection.InitializeMetrics()

   at Infragistics.Win.UltraWinGrid.RowScrollRegion.RegenerateVisibleRows(Boolean resetScrollInfo)

   at Infragistics.Win.UltraWinGrid.RowScrollRegion.WillScrollbarBeShown(ScrollbarVisibility assumeColScrollbarsVisible)

   at Infragistics.Win.UltraWinGrid.RowScrollRegion.PositionScrollbar(Boolean resetScrollInfo)

   at Infragistics.Win.UltraWinGrid.ScrollRegionBase.SetOriginAndExtent(Int32 origin, Int32 extent)

   at Infragistics.Win.UltraWinGrid.RowScrollRegion.SetOriginAndExtent(Int32 origin, Int32 extent)

   at Infragistics.Win.UltraWinGrid.DataAreaUIElement.ResizeRowScrollRegions()

   at Infragistics.Win.UltraWinGrid.DataAreaUIElement.PositionChildElements()

   at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UltraWinGrid.DataAreaUIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UltraWinGrid.DataAreaUIElement.set_Rect(Rectangle value)

   at Infragistics.Win.UltraWinGrid.UltraGridUIElement.PositionChildElements()

   at Infragistics.Win.UIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UltraWinGrid.UltraGridUIElement.VerifyChildElements(ControlUIElementBase controlElement, Boolean recursive)

   at Infragistics.Win.UIElement.DrawHelper(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode, Boolean clipText, Boolean forceDrawAsFocused, Boolean preventAlphaBlendGraphics)

   at Infragistics.Win.ControlUIElementBase.Draw(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode, Size elementSize, Boolean preventAlphaBlendGraphics)

   at Infragistics.Win.ControlUIElementBase.Draw(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode)

   at Infragistics.Win.UltraWinGrid.UltraGridUIElement.Draw(Graphics graphics, Rectangle invalidRectangle, Boolean doubleBuffer, AlphaBlendMode alphaBlendMode)

   at Infragistics.Win.UltraControlBase.OnPaint(PaintEventArgs pe)

   at Infragistics.Win.UltraWinGrid.UltraGrid.OnPaint(PaintEventArgs pe)

   at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer)

   at System.Windows.Forms.Control.WmPaint(Message& m)

   at System.Windows.Forms.Control.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)

************** Loaded Assemblies **************

Multithreading and databinding do not mix well. You cannot modify or even examine the data in the grid's DataSource (or even a BindingSource) on anything other than the UI thread safely. There's no way to do that, because you cannot properly marshal that communication across the threads since you are not in control of that communication. 

Thanks for the info Mike. I'll try to invoke the property change on main thread. I am not getting this exception frequently so i won't know if it fixed my issue for sure. :-)

That's one of the hallmarks of a threading issue - it happens intermittently.