Add Doughnut Chart - VB.NET
Spreadsheet SDK sample in VB.NET demonstrating ‘Add Doughnut Chart’
Module1.vb
Imports Bytescout.Spreadsheet
Imports Bytescout.Spreadsheet.Charts
Module Module1
Sub Main()
' Create new Spreadsheet object
Dim spreadsheet As New Spreadsheet()
spreadsheet.RegistrationName = "demo"
spreadsheet.RegistrationKey = "demo"
' Add new worksheet
Dim sheet As Worksheet = spreadsheet.Workbook.Worksheets.Add("Sample")
' Add few random numbers
Dim length As Integer = 10
Dim rnd As New Random()
For i As Integer = 0 To length - 1
sheet.Cell(i, 0).Value = rnd.[Next](10)
sheet.Cell(i, 1).Value = rnd.[Next](10)
Next
' Add charts to worksheet
Dim doughnutChart As Chart = sheet.Charts.AddChartAndFitInto(12, 1, 35, 9, ChartType.Doughnut)
doughnutChart.SeriesCollection.Add(New Series(sheet.Range(0, 0, length - 1, 0)))
doughnutChart.SeriesCollection.Add(New Series(sheet.Range(0, 1, length - 1, 1)))
doughnutChart = sheet.Charts.AddChartAndFitInto(12, 10, 35, 18, ChartType.DoughnutExploded)
doughnutChart.SeriesCollection.Add(New Series(sheet.Range(0, 0, length - 1, 0)))
doughnutChart.SeriesCollection.Add(New Series(sheet.Range(0, 1, length - 1, 1)))
' Save it as XLS
spreadsheet.SaveAs("Output.xls")
' Close the document
spreadsheet.Close()
' Cleanup
spreadsheet.Dispose()
' Open generated XLS file in default associated application
Process.Start("Output.xls")
End Sub
End Module
Resources.Designer.vb
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