//create a new workbook var workbook = new GrapeCity.Documents.Excel.Workbook(); IWorksheet worksheet = workbook.Worksheets[0]; GrapeCity.Documents.Excel.Drawing.IShape shape = worksheet.Shapes.AddChart(GrapeCity.Documents.Excel.Drawing.ChartType.ColumnClustered, 250, 20, 360, 230); worksheet.Range["A1:D4"].Value = new object[,] { {null, "S1", "S2", "S3"}, {"Item1", 10, 25, 50}, {"Item2", 15, -36, 40}, {"Item3", 52, 40, -30}, }; shape.Chart.SeriesCollection.Add(worksheet.Range["A1:D4"], GrapeCity.Documents.Excel.Drawing.RowCol.Columns, true, true); worksheet.Range["A12:D13"].Value = new object[,] { {"Item5", 10, 20, -30}, {"Item6", 20, 40, 80}, }; //add new data point to existing series. shape.Chart.SeriesCollection.Extend(worksheet.Range["A12:D13"], GrapeCity.Documents.Excel.Drawing.RowCol.Columns, true); // Save to an excel file workbook.Save("ExtendSeries.xlsx");
' Create a new Workbook Dim workbook As New Workbook Dim worksheet As IWorksheet = workbook.Worksheets(0) Dim shape As IShape = worksheet.Shapes.AddChart(ChartType.ColumnClustered, 250, 20, 360, 230) worksheet.Range("A1:D4").Value = New Object(,) { {Nothing, "S1", "S2", "S3"}, {"Item1", 10, 25, 50}, {"Item2", 15, -36, 40}, {"Item3", 52, 40, -30} } shape.Chart.SeriesCollection.Add(worksheet.Range("A1:D4"), RowCol.Columns, True, True) worksheet.Range("A12:D13").Value = New Object(,) { {"Item5", 10, 20, -30}, {"Item6", 20, 40, 80} } 'add new data point to existing series. shape.Chart.SeriesCollection.Extend(worksheet.Range("A12:D13"), RowCol.Columns, True) ' save to an excel file workbook.Save("ExtendSeries.xlsx")