25 oct. 2017 ยท And the class "MakeReport" will complete the chart with some values with the sub-program "GiveAGraph ()": GraphData.SeriesCollection.Add (new RowSeries { Title = Criteria, Values = DataValues, ScalesYAt = Index, DataLabels = true }); End of "GiveAGRaph ()". Now I have a chart ready to display, i want to use it to make an image and for test (and.