System.Object
   FarPoint.Web.Spread.Chart.ArraySegmentData
   FarPoint.Web.Spread.Chart.ChartDataSetting
   FarPoint.Web.Spread.Chart.SeriesDataField
   FarPoint.Web.Spread.Chart.SeriesDataFieldCollection
   FarPoint.Web.Spread.Chart.StringSegmentData
   FarPoint.Web.Spread.Model.CellRange
      FarPoint.Web.Spread.Chart.SheetCellRange
         FarPoint.Web.Spread.Chart.CellRangeSegmentData
   System.Collections.CollectionBase
      FarPoint.Web.Spread.Chart.SpreadChartCollection
   System.Collections.Generic.List<T>
      FarPoint.Web.Spread.Chart.SheetCellRangeCollection
   System.Drawing.Design.UITypeEditor
      System.ComponentModel.Design.CollectionEditor
         FarPoint.Web.Spread.Chart.SpreadChartCollectionEditor
   System.EventArgs
      FarPoint.Web.Spread.Chart.DataFieldChangedEventArgs
      FarPoint.Web.Spread.Chart.IndicatorChangedEventArgs
      FarPoint.Web.Spread.Chart.SegmentDataChangedEventArgs
   System.Web.UI.Control
      System.Web.UI.WebControls.WebControl
         FarPoint.Web.Chart.FpChart
            FarPoint.Web.Spread.Chart.SpreadChart

Reference

FarPoint.Web.Spread Assembly