method not found

Hi:
i am working on a chart and i get this error.
Exception propagated to Global Handler:
Msg: System.MissingMethodException: Method not found: Syncfusion.Collections.BinaryTree.ITreeTableSummary[] Syncfusion.Grouping.Element.GetSummaries(Syncfusion.Grouping.Table).
at Syncfusion.Windows.Forms.Chart.ChartSeriesSummary.get_MinX()
at Syncfusion.Windows.Forms.Chart.ChartControl.SeriesChanged(Object sender, ChartSeriesCollectionChangedEventArgs e)
at Syncfusion.Windows.Forms.Chart.ChartSeriesCollection.OnInsertComplete(Int32 index, Object value)
at System.Collections.CollectionBase.System.Collections.IList.Add(Object value)
at Syncfusion.Windows.Forms.Chart.ChartSeriesCollection.Add(ChartSeries series)
at Syncfusion.Windows.Forms.Chart.ChartControl.AddRandomData()
at Syncfusion.Windows.Forms.Chart.ChartControl.Initialize(Boolean addRandomData)
at Syncfusion.Windows.Forms.Chart.ChartControl..ctor(Boolean addRandomData, Boolean isWindowLess)
at Syncfusion.Windows.Forms.Chart.ChartControl..ctor(Boolean addRandomData)
at Syncfusion.Windows.Forms.Chart.ChartControl..ctor()
at
can you please advice?
thanks

Hi Pam,

Thanks for the sample code.

Could you please send us a sample reproducing this problem so that it would help me to solve it at the earliest?

Thank you for choosing Syncfusion products.

Regards,
Jaya