Hi All,

What is this error. How can I solve it?

Cannot call StartAt when content generation is in progress.

   at System.Windows.Controls.ItemContainerGenerator.System.Windows.Controls.Primitives.IItemContainerGenerator.StartAt(GeneratorPosition position, GeneratorDirection direction, Boolean allowStartAtRealizedItem)

  at Infragistics.Windows.DataPresenter.GridViewPanelFlat.GenerationCache.StartGenerator()

  at Infragistics.Windows.DataPresenter.GridViewPanelFlat.GenerationCache.GenerateNextElement(Boolean isHeader)

  at Infragistics.Windows.DataPresenter.GridViewPanelFlat.GenerationCache.GenerateScrollableRecords()

  at Infragistics.Windows.DataPresenter.GridViewPanelFlat.GenerationCache.GenerateAllRecords()

  at Infragistics.Windows.DataPresenter.GridViewPanelFlat.MeasureOverride(Size availableSize)

   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)

   at System.Windows.UIElement.Measure(Size availableSize)

   at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint)

   at System.Windows.Controls.ItemsPresenter.MeasureOverride(Size constraint)

   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)

   at System.Windows.UIElement.Measure(Size availableSize)

   at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint)

Thanks