//Instantiating a Workbook object
            Workbook workbook = new Workbook();
            //Adding a new worksheet to the Excel object
            int sheetIndex = workbook.Worksheets.Add();
            //Obtaining the reference of the newly added worksheet by
            //passing its sheet index
            Worksheet worksheet = workbook.Worksheets[sheetIndex];
            //Adding a sample value to "A1" cell
            worksheet.Cells["A1"].PutValue(50);
            //Adding a sample value to "A2" cell
            worksheet.Cells["A2"].PutValue(100);
            //Adding a sample value to "A3" cell
            worksheet.Cells["A3"].PutValue(150);
            //Adding a sample value to "B1" cell
            worksheet.Cells["B1"].PutValue(4);
            //Adding a sample value to "B2" cell
            worksheet.Cells["B2"].PutValue(20);
            //Adding a sample value to "B3" cell
            worksheet.Cells["B3"].PutValue(50);

            //Adding a chart to the worksheet
            int chartIndex = worksheet.Charts.Add(Aspose.Cells.Charts.ChartType.Column, 5, 0, 15, 5);
            //Accessing the instance of the newly added chart
            Aspose.Cells.Charts.Chart chart = worksheet.Charts[chartIndex];
            //Adding Series Collection (chart data source) to the chart ranging from "A1" cell to "B3"
            chart.NSeries.Add("A1:B3", true);

            ImageOrPrintOptions options = new ImageOrPrintOptions();
            options.HorizontalResolution = 300;
            options.VerticalResolution = 300;
            options.TiffCompression = TiffCompression.CompressionLZW;
            options.IsCellAutoFit = false;
            options.ImageFormat = System.Drawing.Imaging.ImageFormat.Tiff;
            options.OnePagePerSheet = true;
            //Converting chart to image.
            chart.ToImage("Chart to Tiff Image with Image Options.tiff", options);