You can do it like this:
var chartType2 = chart.PlotArea.ChartTypes.Add(eChartType.ColumnClustered)as ExcelBarChart; (ExcelBarChartSerie) serie2 = (ExcelBarChartSerie) chartType2.Series.Add(Worksheet.Cells["C1:C4"],Worksheet.Cells["A1:A4"]); serie2.DataLabel.ShowValue = true;
Farooq mushtaq
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