giannik

i am trying to create a crosstab view from a list of items using the following code : 'Create and configure the Crosstab data provider Dim cfxCT As ChartFX.WinForms.DataProviders.CrosstabDataProvider = New ChartFX.WinForms.DataProviders.CrosstabDataProvider cfxCT.NullColumnHeading = "N/A" cfxCT.DataSource = Data ' Instruct Chart FX how to use the fields in the Crosstab. Chart1.DataSourceSettings.Fields.Add(New ChartFX.WinForms.FieldMap("BusEventCategory", ChartFX.WinForms.FieldUsage.RowHeading)) Chart1.DataSourceSettings.Fields.Add(New ChartFX.WinForms.FieldMap("CreatedBy", ChartFX.WinForms.FieldUsage.ColumnHeading)) Chart1.DataSourceSettings.Fields.Add(New ChartFX.WinForms.FieldMap("TotalCost", ChartFX.WinForms.FieldUsage.Value)) Chart1.DataSource = cfxCT My issue has to with this line: ChartFX.WinForms.FieldMap("TotalCost", ChartFX.WinForms.FieldUsage.Value) how do i define what aggregation to do with the totalcost field (sum, count , min , max etc ) giannis.