protected static StringReference CreateStringReference(CategoryAxisData categoryAxisData, string formulaText = "")
{
categoryAxisData.RemoveAllChildren <StringReference>();
var stringReference = categoryAxisData.AppendChild(new StringReference());
if (!string.IsNullOrWhiteSpace(formulaText))
{
stringReference.Formula = new Formula {
Text = formulaText
};
}
return(stringReference);
}
private void FillPoints(string baseFormula, String mode, List <String> data)
{
int idx = data.Count;
ChartPart cp = Document.MainDocumentPart.ChartParts.FirstOrDefault();
Chart chart = cp.ChartSpace.Elements <Chart>().FirstOrDefault();
BarChart barchart = chart.PlotArea.Elements <BarChart>().FirstOrDefault();
BarChartSeries series = barchart.Elements <BarChartSeries>().FirstOrDefault();
CategoryAxisData labels = new CategoryAxisData();
DocumentFormat.OpenXml.Drawing.Charts.Values values = new DocumentFormat.OpenXml.Drawing.Charts.Values();
NumberReference nref = new NumberReference();
string formula = baseFormula + (idx + 1);
DocumentFormat.OpenXml.Drawing.Charts.Formula f = new DocumentFormat.OpenXml.Drawing.Charts.Formula();
f.Text = formula;
Log.Info(formula);
nref.Formula = f;
NumberingCache nc = new NumberingCache();//nref.Descendants<NumberingCache>().First();
nc.PointCount = new PointCount();
nc.PointCount.Val = (uint)idx;
int pointIndex = 0;
foreach (string val in data)
{
NumericPoint point = new NumericPoint();
point.Index = (uint)pointIndex;
NumericValue value = new NumericValue();
if ("LABELS".Equals(mode))
{
value.Text = val;
}
else if ("VALUES".Equals(mode))
{
if (val != "0")
{
float valuePerc = float.Parse(val, CultureInfo.InvariantCulture.NumberFormat) * 100;
value.Text = valuePerc.ToString(CultureInfo.InvariantCulture);
}
else
{
value.Text = "";
}
}
point.AppendChild(value);
nc.AppendChild(point);
pointIndex++;
}
nref.AppendChild(nc);
if ("LABELS".Equals(mode))
{
labels.AppendChild(nref);
series.ReplaceChild <CategoryAxisData>(labels, series.Elements <CategoryAxisData>().FirstOrDefault());
}
else if ("VALUES".Equals(mode))
{
values.AppendChild(nref);
series.ReplaceChild <DocumentFormat.OpenXml.Drawing.Charts.Values>(values, series.Elements <DocumentFormat.OpenXml.Drawing.Charts.Values>().FirstOrDefault());
}
;
}
public void CreateExcelDoc(string fileName)
{
List <Student> students = new List <Student>();
Initizalize(students);
using (SpreadsheetDocument document = SpreadsheetDocument.Create(fileName, SpreadsheetDocumentType.Workbook))
{
WorkbookPart workbookPart = document.AddWorkbookPart();
workbookPart.Workbook = new Workbook();
WorksheetPart worksheetPart = workbookPart.AddNewPart <WorksheetPart>();
worksheetPart.Worksheet = new Worksheet();
Sheets sheets = workbookPart.Workbook.AppendChild(new Sheets());
Sheet sheet = new Sheet()
{
Id = workbookPart.GetIdOfPart(worksheetPart), SheetId = 1, Name = "Students"
};
SheetData sheetData = worksheetPart.Worksheet.AppendChild(new SheetData());
// Add drawing part to WorksheetPart
DrawingsPart drawingsPart = worksheetPart.AddNewPart <DrawingsPart>();
worksheetPart.Worksheet.Append(new Drawing()
{
Id = worksheetPart.GetIdOfPart(drawingsPart)
});
worksheetPart.Worksheet.Save();
drawingsPart.WorksheetDrawing = new WorksheetDrawing();
sheets.Append(sheet);
workbookPart.Workbook.Save();
// Add a new chart and set the chart language
ChartPart chartPart = drawingsPart.AddNewPart <ChartPart>();
chartPart.ChartSpace = new ChartSpace();
chartPart.ChartSpace.AppendChild(new EditingLanguage()
{
Val = "en-US"
});
Chart chart = chartPart.ChartSpace.AppendChild(new Chart());
chart.AppendChild(new AutoTitleDeleted()
{
Val = true
}); // We don't want to show the chart title
// Create a new Clustered Column Chart
PlotArea plotArea = chart.AppendChild(new PlotArea());
Layout layout = plotArea.AppendChild(new Layout());
BarChart barChart = plotArea.AppendChild(new BarChart(
new BarDirection()
{
Val = new EnumValue <BarDirectionValues>(BarDirectionValues.Column)
},
new BarGrouping()
{
Val = new EnumValue <BarGroupingValues>(BarGroupingValues.Clustered)
},
new VaryColors()
{
Val = false
}
));
// Constructing header
Row row = new Row();
int rowIndex = 1;
row.AppendChild(ConstructCell(string.Empty, CellValues.String));
foreach (var month in Months.Short)
{
row.AppendChild(ConstructCell(month, CellValues.String));
}
// Insert the header row to the Sheet Data
sheetData.AppendChild(row);
rowIndex++;
// Create chart series
for (int i = 0; i < students.Count; i++)
{
BarChartSeries barChartSeries = barChart.AppendChild(new BarChartSeries(
new Index()
{
Val = (uint)i
},
new Order()
{
Val = (uint)i
},
new SeriesText(new NumericValue()
{
Text = students[i].Name
})
));
// Adding category axis to the chart
CategoryAxisData categoryAxisData = barChartSeries.AppendChild(new CategoryAxisData());
// Category
// Constructing the chart category
string formulaCat = "Students!$B$1:$G$1";
StringReference stringReference = categoryAxisData.AppendChild(new StringReference()
{
Formula = new DocumentFormat.OpenXml.Drawing.Charts.Formula()
{
Text = formulaCat
}
});
StringCache stringCache = stringReference.AppendChild(new StringCache());
stringCache.Append(new PointCount()
{
Val = (uint)Months.Short.Length
});
for (int j = 0; j < Months.Short.Length; j++)
{
stringCache.AppendChild(new NumericPoint()
{
Index = (uint)j
}).Append(new NumericValue(Months.Short[j]));
}
}
var chartSeries = barChart.Elements <BarChartSeries>().GetEnumerator();
for (int i = 0; i < students.Count; i++)
{
row = new Row();
row.AppendChild(ConstructCell(students[i].Name, CellValues.String));
chartSeries.MoveNext();
string formulaVal = string.Format("Students!$B${0}:$G${0}", rowIndex);
DocumentFormat.OpenXml.Drawing.Charts.Values values = chartSeries.Current.AppendChild(new DocumentFormat.OpenXml.Drawing.Charts.Values());
NumberReference numberReference = values.AppendChild(new NumberReference()
{
Formula = new DocumentFormat.OpenXml.Drawing.Charts.Formula()
{
Text = formulaVal
}
});
NumberingCache numberingCache = numberReference.AppendChild(new NumberingCache());
numberingCache.Append(new PointCount()
{
Val = (uint)Months.Short.Length
});
for (uint j = 0; j < students[i].Values.Length; j++)
{
var value = students[i].Values[j];
row.AppendChild(ConstructCell(value.ToString(), CellValues.Number));
numberingCache.AppendChild(new NumericPoint()
{
Index = j
}).Append(new NumericValue(value.ToString()));
}
sheetData.AppendChild(row);
rowIndex++;
}
barChart.AppendChild(new DataLabels(
new ShowLegendKey()
{
Val = false
},
new ShowValue()
{
Val = false
},
new ShowCategoryName()
{
Val = false
},
new ShowSeriesName()
{
Val = false
},
new ShowPercent()
{
Val = false
},
new ShowBubbleSize()
{
Val = false
}
));
barChart.Append(new AxisId()
{
Val = 48650112u
});
barChart.Append(new AxisId()
{
Val = 48672768u
});
// Adding Category Axis
plotArea.AppendChild(
new CategoryAxis(
new AxisId()
{
Val = 48650112u
},
new Scaling(new Orientation()
{
Val = new EnumValue <DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>(DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax)
}),
new Delete()
{
Val = false
},
new AxisPosition()
{
Val = new EnumValue <AxisPositionValues>(AxisPositionValues.Bottom)
},
new TickLabelPosition()
{
Val = new EnumValue <TickLabelPositionValues>(TickLabelPositionValues.NextTo)
},
new CrossingAxis()
{
Val = 48672768u
},
new Crosses()
{
Val = new EnumValue <CrossesValues>(CrossesValues.AutoZero)
},
new AutoLabeled()
{
Val = true
},
new LabelAlignment()
{
Val = new EnumValue <LabelAlignmentValues>(LabelAlignmentValues.Center)
}
));
// Adding Value Axis
plotArea.AppendChild(
new ValueAxis(
new AxisId()
{
Val = 48672768u
},
new Scaling(new Orientation()
{
Val = new EnumValue <DocumentFormat.OpenXml.Drawing.Charts.OrientationValues>(DocumentFormat.OpenXml.Drawing.Charts.OrientationValues.MinMax)
}),
new Delete()
{
Val = false
},
new AxisPosition()
{
Val = new EnumValue <AxisPositionValues>(AxisPositionValues.Left)
},
new MajorGridlines(),
new DocumentFormat.OpenXml.Drawing.Charts.NumberingFormat()
{
FormatCode = "General",
SourceLinked = true
},
new TickLabelPosition()
{
Val = new EnumValue <TickLabelPositionValues>(TickLabelPositionValues.NextTo)
},
new CrossingAxis()
{
Val = 48650112u
},
new Crosses()
{
Val = new EnumValue <CrossesValues>(CrossesValues.AutoZero)
},
new CrossBetween()
{
Val = new EnumValue <CrossBetweenValues>(CrossBetweenValues.Between)
}
));
chart.Append(
new PlotVisibleOnly()
{
Val = true
},
new DisplayBlanksAs()
{
Val = new EnumValue <DisplayBlanksAsValues>(DisplayBlanksAsValues.Gap)
},
new ShowDataLabelsOverMaximum()
{
Val = false
}
);
chartPart.ChartSpace.Save();
// Positioning the chart on the spreadsheet
TwoCellAnchor twoCellAnchor = drawingsPart.WorksheetDrawing.AppendChild(new TwoCellAnchor());
twoCellAnchor.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.FromMarker(
new ColumnId("0"),
new ColumnOffset("0"),
new RowId((rowIndex + 2).ToString()),
new RowOffset("0")
));
twoCellAnchor.Append(new DocumentFormat.OpenXml.Drawing.Spreadsheet.ToMarker(
new ColumnId("8"),
new ColumnOffset("0"),
new RowId((rowIndex + 12).ToString()),
new RowOffset("0")
));
// Append GraphicFrame to TwoCellAnchor
GraphicFrame graphicFrame = twoCellAnchor.AppendChild(new GraphicFrame());
graphicFrame.Macro = string.Empty;
graphicFrame.Append(new NonVisualGraphicFrameProperties(
new NonVisualDrawingProperties()
{
Id = 2u,
Name = "Sample Chart"
},
new NonVisualGraphicFrameDrawingProperties()
));
graphicFrame.Append(new Transform(
new DocumentFormat.OpenXml.Drawing.Offset()
{
X = 0L, Y = 0L
},
new DocumentFormat.OpenXml.Drawing.Extents()
{
Cx = 0L, Cy = 0L
}
));
graphicFrame.Append(new DocumentFormat.OpenXml.Drawing.Graphic(
new DocumentFormat.OpenXml.Drawing.GraphicData(
new ChartReference()
{
Id = drawingsPart.GetIdOfPart(chartPart)
}
)
{
Uri = "http://schemas.openxmlformats.org/drawingml/2006/chart"
}
));
twoCellAnchor.Append(new ClientData());
drawingsPart.WorksheetDrawing.Save();
worksheetPart.Worksheet.Save();
}
}