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Insert a chart
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OpenXML Excel
string FilePath = @"..\..\..\..\Sample Files\";
string FileName = FilePath + "Insert a chart.xlsx";
string worksheetName = "Sheet1";
string title = "New Chart";
Dictionary<string, int> data = new Dictionary<string, int>();
data.Add("abc", 1);
InsertChartInSpreadsheet(FileName, worksheetName, title, data);
// Given a document name, a worksheet name, a chart title, and a Dictionary collection of text keys
// and corresponding integer data, creates a column chart with the text as the series and the integers as the values.
private static void InsertChartInSpreadsheet(string docName, string worksheetName, string title,
Dictionary<string, int> data)
{
// Open the document for editing.
using (SpreadsheetDocument document = SpreadsheetDocument.Open(docName, true))
{
IEnumerable<Sheet> sheets = document.WorkbookPart.Workbook.Descendants<Sheet>()
.Where(s => s.Name == worksheetName);
if (sheets.Count() == 0)
{
// The specified worksheet does not exist.
return;
}
WorksheetPart worksheetPart = (WorksheetPart)document.WorkbookPart.GetPartById(sheets.First().Id);
// Add a new drawing to the worksheet.
DrawingsPart drawingsPart = worksheetPart.AddNewPart<DrawingsPart>();
worksheetPart.Worksheet.Append(new DocumentFormat.OpenXml.Spreadsheet.Drawing() { Id = worksheetPart.GetIdOfPart(drawingsPart) });
worksheetPart.Worksheet.Save();
// Add a new chart and set the chart language to English-US.
ChartPart chartPart = drawingsPart.AddNewPart<ChartPart>();
chartPart.ChartSpace = new ChartSpace();
chartPart.ChartSpace.Append(new EditingLanguage() { Val = new StringValue("en-US") });
DocumentFormat.OpenXml.Drawing.Charts.Chart chart = chartPart.ChartSpace.AppendChild<DocumentFormat.OpenXml.Drawing.Charts.Chart>(
new DocumentFormat.OpenXml.Drawing.Charts.Chart());
// Create a new clustered column chart.
PlotArea plotArea = chart.AppendChild<PlotArea>(new PlotArea());
Layout layout = plotArea.AppendChild<Layout>(new Layout());
BarChart barChart = plotArea.AppendChild<BarChart>(new BarChart(
new BarDirection() { Val = new EnumValue<BarDirectionValues>(BarDirectionValues.Column) },
new BarGrouping() { Val = new EnumValue<BarGroupingValues>(BarGroupingValues.Clustered) }));
uint i = 0;
// Iterate through each key in the Dictionary collection and add the key to the chart series
// and add the corresponding value to the chart values.
foreach (string key in data.Keys)
{
BarChartSeries barChartSeries = barChart.AppendChild<BarChartSeries>(new BarChartSeries(
new Index() { Val = new UInt32Value(i) },
new Order() { Val = new UInt32Value(i) },
new SeriesText(new NumericValue() { Text = key })));
StringLiteral strLit = barChartSeries.AppendChild<CategoryAxisData>(new CategoryAxisData())
.AppendChild<StringLiteral>(new StringLiteral());
strLit.Append(new PointCount() { Val = new UInt32Value(1U) });
strLit.AppendChild<StringPoint>(new StringPoint() { Index = new UInt32Value(0U) })
.Append(new NumericValue(title));
NumberLiteral numLit = barChartSeries.AppendChild<DocumentFormat.OpenXml.Drawing.Charts.Values>(
new DocumentFormat.OpenXml.Drawing.Charts.Values())
.AppendChild<NumberLiteral>(new NumberLiteral());
numLit.Append(new FormatCode("General"));
numLit.Append(new PointCount() { Val = new UInt32Value(1U) });
numLit.AppendChild<NumericPoint>(new NumericPoint() { Index = new UInt32Value(0u) })
.Append(new NumericValue(data[key].ToString()));
i++;
}
barChart.Append(new AxisId() { Val = new UInt32Value(48650112u) });
barChart.Append(new AxisId() { Val = new UInt32Value(48672768u) });
// Add the Category Axis.
CategoryAxis catAx = plotArea.AppendChild<CategoryAxis>(new CategoryAxis(
new AxisId() { Val = new UInt32Value(48650112u) },
new Scaling(new Orientation()
{
Val = new EnumValue<DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>(DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax)
}),
new AxisPosition() { Val = new EnumValue<AxisPositionValues>(AxisPositionValues.Bottom) },
new TickLabelPosition() { Val = new EnumValue<TickLabelPositionValues>(TickLabelPositionValues.NextTo) },
new CrossingAxis() { Val = new UInt32Value(48672768U) },
new Crosses() { Val = new EnumValue<CrossesValues>(CrossesValues.AutoZero) },
new AutoLabeled() { Val = new BooleanValue(true) },
new LabelAlignment() { Val = new EnumValue<LabelAlignmentValues>(LabelAlignmentValues.Center) },
new LabelOffset() { Val = new UInt16Value((ushort)100) }));
// Add the Value Axis.
ValueAxis valAx = plotArea.AppendChild<ValueAxis>(new ValueAxis(
new AxisId() { Val = new UInt32Value(48672768u) },
new Scaling(new Orientation()
{
Val = new EnumValue<DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>(DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax)
}),
new AxisPosition() { Val = new EnumValue<AxisPositionValues>(AxisPositionValues.Left) },
new MajorGridlines(),
new DocumentFormat.OpenXml.Drawing.Charts.NumberingFormat()
{
FormatCode = new StringValue("General"),
SourceLinked = new BooleanValue(true)
},
new TickLabelPosition()
{
Val = new EnumValue<TickLabelPositionValues>(TickLabelPositionValues.NextTo)
},
new CrossingAxis() { Val = new UInt32Value(48650112U) },
new Crosses() { Val = new EnumValue<CrossesValues>(CrossesValues.AutoZero) },
new CrossBetween() { Val = new EnumValue<CrossBetweenValues>(CrossBetweenValues.Between) }));
// Add the chart legend.
Legend legend = chart.AppendChild<Legend>(new Legend(
new LegendPosition() { Val = new EnumValue<LegendPositionValues>(LegendPositionValues.Right) },
new Layout()));
chart.Append(new PlotVisibleOnly() { Val = new BooleanValue(true) });
// Save the chart part.
chartPart.ChartSpace.Save();
// Position the chart on the worksheet using a TwoCellAnchor object.
drawingsPart.WorksheetDrawing = new WorksheetDrawing();
TwoCellAnchor twoCellAnchor = drawingsPart.WorksheetDrawing.AppendChild<TwoCellAnchor>(new TwoCellAnchor());
twoCellAnchor.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.FromMarker(
new ColumnId("9"),
new ColumnOffset("581025"),
new RowId("17"),
new RowOffset("114300")));
twoCellAnchor.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.ToMarker(
new ColumnId("17"),
new ColumnOffset("276225"),
new RowId("32"),
new RowOffset("0")));
// Append a GraphicFrame to the TwoCellAnchor object.
DocumentFormat.OpenXml.Drawing.Spreadsheet.GraphicFrame graphicFrame =
twoCellAnchor.AppendChild<DocumentFormat.OpenXml.Drawing.Spreadsheet.GraphicFrame>(new DocumentFormat.OpenXml.Drawing.Spreadsheet.GraphicFrame());
graphicFrame.Macro = "";
graphicFrame.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualGraphicFrameProperties(
new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualDrawingProperties() { Id = new UInt32Value(2u), Name = "Chart 1" },
new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualGraphicFrameDrawingProperties()));
graphicFrame.Append(new Transform(
new Offset() { X = 0L, Y = 0L },
new Extents() { Cx = 0L, Cy = 0L }));
graphicFrame.Append(new Graphic(new GraphicData(new ChartReference() { Id = drawingsPart.GetIdOfPart(chartPart) })
{ Uri = "http://schemas.openxmlformats.org/drawingml/2006/chart" }));
twoCellAnchor.Append(new ClientData());
// Save the WorksheetDrawing object.
drawingsPart.WorksheetDrawing.Save();
}
}
Aspose.Cells
string FilePath = @"..\..\..\..\Sample Files\";
string FileName = FilePath + "Insert a chart.xlsx";
string worksheetName = "Sheet1";
string title = "New Chart";
string dataRange = "A1:B3";
InsertChartInSpreadsheet(FileName, worksheetName, title, dataRange);
private static void InsertChartInSpreadsheet(string docName, string worksheetName, string title, string dataRange)
{
// Instantiating a Workbook object
Workbook workbook = new Workbook(docName);
// Obtaining the reference of the worksheet by passing its name
Worksheet worksheet = workbook.Worksheets[worksheetName];
// Adding a chart to the worksheet
int chartIndex = worksheet.Charts.Add(Aspose.Cells.Charts.ChartType.Bar, 5, 0, 15, 5);
// Accessing the instance of the newly added chart
Aspose.Cells.Charts.Chart chart = worksheet.Charts[chartIndex];
// Set the title of the chart
chart.Name = title;
// Add a SeriesCollection (chart data source) to the chart ranging from the A1 cell to B3
chart.NSeries.Add(dataRange, true);
// Saving the Excel file
workbook.Save(docName);
}