Interface IOfficeChartDataLabels

Represents the chart data labels for the serie.

Inherited Members

IOfficeChartTextArea.Text

IOfficeChartTextArea.TextRotationAngle

IOfficeChartTextArea.FrameFormat

IOfficeChartTextArea.Layout

IOfficeFont.GenerateNativeFont()

IOfficeFont.Bold

IOfficeFont.Color

IOfficeFont.RGBColor

IOfficeFont.Italic

IOfficeFont.MacOSOutlineFont

IOfficeFont.MacOSShadow

IOfficeFont.Size

IOfficeFont.Strikethrough

IOfficeFont.Subscript

IOfficeFont.Superscript

IOfficeFont.Underline

IOfficeFont.FontName

IOfficeFont.VerticalAlignment

IOfficeFont.IsAutoColor

IParentApplication.Parent

IOptimizedUpdate.BeginUpdate()

IOptimizedUpdate.EndUpdate()

Namespace: Syncfusion.OfficeChart

Assembly: Syncfusion.OfficeChart.Portable.dll

Syntax

public interface IOfficeChartDataLabels : IOfficeChartTextArea, IOfficeFont, IParentApplication, IOptimizedUpdate

Properties

Delimiter

Gets or sets the delimiter for data labels.

Declaration

string Delimiter { get; set; }

Property Value

Type	Description
System.String

Examples

IPresentation presentation = Presentation.Create(); 
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart to the slide with position and size
IPresentationChart chart = slide.Charts.AddChart(100, 10, 500, 300);
//Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan");
chart.ChartData.SetValue(1, 3, "Feb");
chart.ChartData.SetValue(1, 4, "March");
//Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011");
chart.ChartData.SetValue(2, 2, "60");
chart.ChartData.SetValue(2, 3, "70");
chart.ChartData.SetValue(2, 4, "80");
//Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009");
chart.ChartData.SetValue(3, 2, "80");
chart.ChartData.SetValue(3, 3, "70");
chart.ChartData.SetValue(3, 4, "60");
//Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010");
chart.ChartData.SetValue(4, 2, "60");
chart.ChartData.SetValue(4, 3, "70");
chart.ChartData.SetValue(4, 4, "80");
//Create a new chart series with the name
IOfficeChartSerie serieJan = chart.Series.Add("Jan");
//Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 4, 2];
//Create a new chart series with the name
IOfficeChartSerie serieFeb = chart.Series.Add("Feb");
//Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 4, 3];
//Create a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("March");
//Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 4, 4];
//Get the serie data labels
IOfficeChartDataLabels dataLabels = chart.Series[0].DataPoints.DefaultDataPoint.DataLabels;
//Set the position of data labels
dataLabels.Delimiter = "L";
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

Dim presentation__1 As IPresentation = Presentation.Create()
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add chart to the slide with position and size
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 10, 500, 300)
'Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan")
chart.ChartData.SetValue(1, 3, "Feb")
chart.ChartData.SetValue(1, 4, "March")
'Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011")
chart.ChartData.SetValue(2, 2, "60")
chart.ChartData.SetValue(2, 3, "70")
chart.ChartData.SetValue(2, 4, "80")
'Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009")
chart.ChartData.SetValue(3, 2, "80")
chart.ChartData.SetValue(3, 3, "70")
chart.ChartData.SetValue(3, 4, "60")
'Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010")
chart.ChartData.SetValue(4, 2, "60")
chart.ChartData.SetValue(4, 3, "70")
chart.ChartData.SetValue(4, 4, "80")
'Create a new chart series with the name
Dim serieJan As IOfficeChartSerie = chart.Series.Add("Jan")
'Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 4, 2)
'Create a new chart series with the name
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("Feb")
'Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 4, 3)
'Create a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("March")
'Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 4, 4)
'Get the serie data labels
Dim dataLabels As IOfficeChartDataLabels = chart.Series(0).DataPoints.DefaultDataPoint.DataLabels
'Set the position of data labels
dataLabels.Delimiter = "L"
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

IsBubbleSize

Gets or sets a value that indicates to show bubble size for the data labels of a chart.

Declaration

bool IsBubbleSize { get; set; }

Property Value

Type	Description
System.Boolean	`True` to show the bubble size. `False` to hide the bubble size.

IsCategoryName

Gets or sets a value that indicates to display the category name for the data labels on a chart.

Declaration

bool IsCategoryName { get; set; }

Property Value

Type	Description
System.Boolean	`True`to display the category name.`False`to hide the category name.

Examples

IPresentation presentation = Presentation.Create(); 
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart to the slide with position and size
IPresentationChart chart = slide.Charts.AddChart(100, 10, 500, 300);
//Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan");
chart.ChartData.SetValue(1, 3, "Feb");
chart.ChartData.SetValue(1, 4, "March");
//Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011");
chart.ChartData.SetValue(2, 2, "60");
chart.ChartData.SetValue(2, 3, "70");
chart.ChartData.SetValue(2, 4, "80");
//Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009");
chart.ChartData.SetValue(3, 2, "80");
chart.ChartData.SetValue(3, 3, "70");
chart.ChartData.SetValue(3, 4, "60");
//Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010");
chart.ChartData.SetValue(4, 2, "60");
chart.ChartData.SetValue(4, 3, "70");
chart.ChartData.SetValue(4, 4, "80");
//Create a new chart series with the name
IOfficeChartSerie serieJan = chart.Series.Add("Jan");
//Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 4, 2];
//Create a new chart series with the name
IOfficeChartSerie serieFeb = chart.Series.Add("Feb");
//Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 4, 3];
//Create a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("March");
//Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 4, 4];
//Get the serie data labels
IOfficeChartDataLabels dataLabels = chart.Series[0].DataPoints.DefaultDataPoint.DataLabels;
//Set the serie name
dataLabels.IsSeriesName = true;
//Set the category name
dataLabels.IsCategoryName = true;
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

Dim presentation__1 As IPresentation = Presentation.Create()
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add chart to the slide with position and size
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 10, 500, 300)
'Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan")
chart.ChartData.SetValue(1, 3, "Feb")
chart.ChartData.SetValue(1, 4, "March")
'Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011")
chart.ChartData.SetValue(2, 2, "60")
chart.ChartData.SetValue(2, 3, "70")
chart.ChartData.SetValue(2, 4, "80")
'Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009")
chart.ChartData.SetValue(3, 2, "80")
chart.ChartData.SetValue(3, 3, "70")
chart.ChartData.SetValue(3, 4, "60")
'Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010")
chart.ChartData.SetValue(4, 2, "60")
chart.ChartData.SetValue(4, 3, "70")
chart.ChartData.SetValue(4, 4, "80")
'Create a new chart series with the name
Dim serieJan As IOfficeChartSerie = chart.Series.Add("Jan")
'Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 4, 2)
'Create a new chart series with the name
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("Feb")
'Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 4, 3)
'Create a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("March")
'Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 4, 4)
'Get the serie data labels
Dim dataLabels As IOfficeChartDataLabels = chart.Series(0).DataPoints.DefaultDataPoint.DataLabels
'Set the serie name
dataLabels.IsSeriesName = True
'Set the category name
dataLabels.IsCategoryName = True
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

IsLegendKey

Gets or sets a value that indicates the data label legend key is visible.

Declaration

bool IsLegendKey { get; set; }

Property Value

Type	Description
System.Boolean	`True`to show the legend key.`False`to hide the legend key.

Examples

IPresentation presentation = Presentation.Create(); 
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart to the slide with position and size
IPresentationChart chart = slide.Charts.AddChart(100, 10, 500, 300);
//Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan");
chart.ChartData.SetValue(1, 3, "Feb");
chart.ChartData.SetValue(1, 4, "March");
//Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011");
chart.ChartData.SetValue(2, 2, "60");
chart.ChartData.SetValue(2, 3, "70");
chart.ChartData.SetValue(2, 4, "80");
//Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009");
chart.ChartData.SetValue(3, 2, "80");
chart.ChartData.SetValue(3, 3, "70");
chart.ChartData.SetValue(3, 4, "60");
//Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010");
chart.ChartData.SetValue(4, 2, "60");
chart.ChartData.SetValue(4, 3, "70");
chart.ChartData.SetValue(4, 4, "80");
//Create a new chart series with the name
IOfficeChartSerie serieJan = chart.Series.Add("Jan");
//Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 4, 2];
//Create a new chart series with the name
IOfficeChartSerie serieFeb = chart.Series.Add("Feb");
//Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 4, 3];
//Create a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("March");
//Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 4, 4];
//Get the serie data labels
IOfficeChartDataLabels dataLabels = chart.Series[0].DataPoints.DefaultDataPoint.DataLabels;
//Set the serie name
dataLabels.IsSeriesName = true;
//Set the legend key for data labels
dataLabels.IsLegendKey = true;  
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

Dim presentation__1 As IPresentation = Presentation.Create()
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add chart to the slide with position and size
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 10, 500, 300)
'Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan")
chart.ChartData.SetValue(1, 3, "Feb")
chart.ChartData.SetValue(1, 4, "March")
'Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011")
chart.ChartData.SetValue(2, 2, "60")
chart.ChartData.SetValue(2, 3, "70")
chart.ChartData.SetValue(2, 4, "80")
'Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009")
chart.ChartData.SetValue(3, 2, "80")
chart.ChartData.SetValue(3, 3, "70")
chart.ChartData.SetValue(3, 4, "60")
'Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010")
chart.ChartData.SetValue(4, 2, "60")
chart.ChartData.SetValue(4, 3, "70")
chart.ChartData.SetValue(4, 4, "80")
'Create a new chart series with the name
Dim serieJan As IOfficeChartSerie = chart.Series.Add("Jan")
'Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 4, 2)
'Create a new chart series with the name
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("Feb")
'Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 4, 3)
'Create a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("March")
'Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 4, 4)
'Get the serie data labels
Dim dataLabels As IOfficeChartDataLabels = chart.Series(0).DataPoints.DefaultDataPoint.DataLabels
'Set the serie name
dataLabels.IsSeriesName = True
'Set the legend key for data labels
dataLabels.IsLegendKey = True
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

IsPercentage

Gets or sets a value that indicates to display the percentage value for the data labels on a chart.

Declaration

bool IsPercentage { get; set; }

Property Value

Type	Description
System.Boolean	`True`to display the percentage value.`False`to hide the percentage value.

Examples

IPresentation presentation = Presentation.Create(); 
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart to the slide with position and size
IPresentationChart chart = slide.Charts.AddChart(100, 10, 500, 300);
//Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan");
chart.ChartData.SetValue(1, 3, "Feb");
chart.ChartData.SetValue(1, 4, "March");
//Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011");
chart.ChartData.SetValue(2, 2, "60");
chart.ChartData.SetValue(2, 3, "70");
chart.ChartData.SetValue(2, 4, "80");
//Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009");
chart.ChartData.SetValue(3, 2, "80");
chart.ChartData.SetValue(3, 3, "70");
chart.ChartData.SetValue(3, 4, "60");
//Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010");
chart.ChartData.SetValue(4, 2, "60");
chart.ChartData.SetValue(4, 3, "70");
chart.ChartData.SetValue(4, 4, "80");
//Create a new chart series with the name
IOfficeChartSerie serieJan = chart.Series.Add("Jan");
//Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 4, 2];
//Create a new chart series with the name
IOfficeChartSerie serieFeb = chart.Series.Add("Feb");
//Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 4, 3];
//Create a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("March");
//Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 4, 4];
//Set the chart type as Pie chart
chart.ChartType = OfficeChartType.Pie;
//Get the serie data labels
IOfficeChartDataLabels dataLabels = chart.Series[0].DataPoints.DefaultDataPoint.DataLabels; 
//Set the data label as percentage
dataLabels.IsPercentage = true;
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

Dim presentation__1 As IPresentation = Presentation.Create()
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add chart to the slide with position and size
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 10, 500, 300)
'Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan")
chart.ChartData.SetValue(1, 3, "Feb")
chart.ChartData.SetValue(1, 4, "March")
'Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011")
chart.ChartData.SetValue(2, 2, "60")
chart.ChartData.SetValue(2, 3, "70")
chart.ChartData.SetValue(2, 4, "80")
'Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009")
chart.ChartData.SetValue(3, 2, "80")
chart.ChartData.SetValue(3, 3, "70")
chart.ChartData.SetValue(3, 4, "60")
'Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010")
chart.ChartData.SetValue(4, 2, "60")
chart.ChartData.SetValue(4, 3, "70")
chart.ChartData.SetValue(4, 4, "80")
'Create a new chart series with the name
Dim serieJan As IOfficeChartSerie = chart.Series.Add("Jan")
'Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 4, 2)
'Create a new chart series with the name
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("Feb")
'Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 4, 3)
'Create a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("March")
'Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 4, 4)
'Set the chart type as Pie chart
chart.ChartType = OfficeChartType.Pie
'Get the serie data labels
Dim dataLabels As IOfficeChartDataLabels = chart.Series(0).DataPoints.DefaultDataPoint.DataLabels
'Set the data label as percentage
dataLabels.IsPercentage = True
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

IsSeriesName

Gets or sets a value that indicates to show the series name for the data labels on a chart.

Declaration

bool IsSeriesName { get; set; }

Property Value

Type	Description
System.Boolean	`True`to show the series name.`False`to hide the series name.

Examples

IPresentation presentation = Presentation.Create(); 
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart to the slide with position and size
IPresentationChart chart = slide.Charts.AddChart(100, 10, 500, 300);
//Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan");
chart.ChartData.SetValue(1, 3, "Feb");
chart.ChartData.SetValue(1, 4, "March");
//Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011");
chart.ChartData.SetValue(2, 2, "60");
chart.ChartData.SetValue(2, 3, "70");
chart.ChartData.SetValue(2, 4, "80");
//Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009");
chart.ChartData.SetValue(3, 2, "80");
chart.ChartData.SetValue(3, 3, "70");
chart.ChartData.SetValue(3, 4, "60");
//Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010");
chart.ChartData.SetValue(4, 2, "60");
chart.ChartData.SetValue(4, 3, "70");
chart.ChartData.SetValue(4, 4, "80");
//Create a new chart series with the name
IOfficeChartSerie serieJan = chart.Series.Add("Jan");
//Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 4, 2];
//Create a new chart series with the name
IOfficeChartSerie serieFeb = chart.Series.Add("Feb");
//Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 4, 3];
//Create a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("March");
//Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 4, 4];
//Get the serie data labels
IOfficeChartDataLabels dataLabels = chart.Series[0].DataPoints.DefaultDataPoint.DataLabels;
//Set the serie name
dataLabels.IsSeriesName = true;
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

Dim presentation__1 As IPresentation = Presentation.Create()
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add chart to the slide with position and size
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 10, 500, 300)
'Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan")
chart.ChartData.SetValue(1, 3, "Feb")
chart.ChartData.SetValue(1, 4, "March")
'Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011")
chart.ChartData.SetValue(2, 2, "60")
chart.ChartData.SetValue(2, 3, "70")
chart.ChartData.SetValue(2, 4, "80")
'Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009")
chart.ChartData.SetValue(3, 2, "80")
chart.ChartData.SetValue(3, 3, "70")
chart.ChartData.SetValue(3, 4, "60")
'Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010")
chart.ChartData.SetValue(4, 2, "60")
chart.ChartData.SetValue(4, 3, "70")
chart.ChartData.SetValue(4, 4, "80")
'Create a new chart series with the name
Dim serieJan As IOfficeChartSerie = chart.Series.Add("Jan")
'Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 4, 2)
'Create a new chart series with the name
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("Feb")
'Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 4, 3)
'Create a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("March")
'Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 4, 4)
'Get the serie data labels
Dim dataLabels As IOfficeChartDataLabels = chart.Series(0).DataPoints.DefaultDataPoint.DataLabels
'Set the serie name
dataLabels.IsSeriesName = True
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

IsValue

Gets or sets a value that indicates to display a chart's data label values.

Declaration

bool IsValue { get; set; }

Property Value

Type	Description
System.Boolean	`True`to display a chart's data label values.`False`to hide a chart's data label values.

Examples

IPresentation presentation = Presentation.Create(); 
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart to the slide with position and size
IPresentationChart chart = slide.Charts.AddChart(100, 10, 500, 300);
//Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan");
chart.ChartData.SetValue(1, 3, "Feb");
chart.ChartData.SetValue(1, 4, "March");
//Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011");
chart.ChartData.SetValue(2, 2, "60");
chart.ChartData.SetValue(2, 3, "70");
chart.ChartData.SetValue(2, 4, "80");
//Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009");
chart.ChartData.SetValue(3, 2, "80");
chart.ChartData.SetValue(3, 3, "70");
chart.ChartData.SetValue(3, 4, "60");
//Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010");
chart.ChartData.SetValue(4, 2, "60");
chart.ChartData.SetValue(4, 3, "70");
chart.ChartData.SetValue(4, 4, "80");
//Create a new chart series with the name
IOfficeChartSerie serieJan = chart.Series.Add("Jan");
//Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 4, 2];
//Create a new chart series with the name
IOfficeChartSerie serieFeb = chart.Series.Add("Feb");
//Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 4, 3];
//Create a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("March");
//Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 4, 4];
//Get the serie data labels
IOfficeChartDataLabels dataLabels = chart.Series[0].DataPoints.DefaultDataPoint.DataLabels;
//Set the value for data labels
dataLabels.IsValue = true;
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

Dim presentation__1 As IPresentation = Presentation.Create()
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add chart to the slide with position and size
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 10, 500, 300)
'Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan")
chart.ChartData.SetValue(1, 3, "Feb")
chart.ChartData.SetValue(1, 4, "March")
'Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011")
chart.ChartData.SetValue(2, 2, "60")
chart.ChartData.SetValue(2, 3, "70")
chart.ChartData.SetValue(2, 4, "80")
'Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009")
chart.ChartData.SetValue(3, 2, "80")
chart.ChartData.SetValue(3, 3, "70")
chart.ChartData.SetValue(3, 4, "60")
'Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010")
chart.ChartData.SetValue(4, 2, "60")
chart.ChartData.SetValue(4, 3, "70")
chart.ChartData.SetValue(4, 4, "80")
'Create a new chart series with the name
Dim serieJan As IOfficeChartSerie = chart.Series.Add("Jan")
'Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 4, 2)
'Create a new chart series with the name
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("Feb")
'Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 4, 3)
'Create a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("March")
'Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 4, 4)
'Get the serie data labels
Dim dataLabels As IOfficeChartDataLabels = chart.Series(0).DataPoints.DefaultDataPoint.DataLabels
'Set the value for data labels
dataLabels.IsValue = True
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

IsValueFromCells

Gets or sets a value that indicates to show the value from cells for the data labels on a chart.

Declaration

bool IsValueFromCells { get; set; }

Property Value

Type	Description
System.Boolean	`True`to show the value from cells range.`False`to hide the value form cells range.

Examples

IPresentation presentation = Presentation.Create(); 
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart to the slide with position and size
IPresentationChart chart = slide.Charts.AddChart(100, 10, 500, 300);
//Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan");
chart.ChartData.SetValue(1, 3, "Feb");
chart.ChartData.SetValue(1, 4, "March");
//Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011");
chart.ChartData.SetValue(2, 2, "60");
chart.ChartData.SetValue(2, 3, "70");
chart.ChartData.SetValue(2, 4, "80");
//Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009");
chart.ChartData.SetValue(3, 2, "80");
chart.ChartData.SetValue(3, 3, "70");
chart.ChartData.SetValue(3, 4, "60");
//Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010");
chart.ChartData.SetValue(4, 2, "60");
chart.ChartData.SetValue(4, 3, "70");
chart.ChartData.SetValue(4, 4, "80");
//Create a new chart series with the name
IOfficeChartSerie serieJan = chart.Series.Add("Jan");
//Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 4, 2];
//Create a new chart series with the name
IOfficeChartSerie serieFeb = chart.Series.Add("Feb");
//Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 4, 3];
//Create a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("March");
//Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 4, 4];
//Get the serie data labels
IOfficeChartDataLabels dataLabels = chart.Series[0].DataPoints.DefaultDataPoint.DataLabels;
//Set the value form cells to datalabels.
dataLabels.IsValueFromCells = true;
//Set teh value form cells range in datalabels.
dataLabels.ValueFromCellsRange=chart.ChartData[3,5,3,7];
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

Dim presentation__1 As IPresentation = Presentation.Create()
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add chart to the slide with position and size
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 10, 500, 300)
'Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan")
chart.ChartData.SetValue(1, 3, "Feb")
chart.ChartData.SetValue(1, 4, "March")
'Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011")
chart.ChartData.SetValue(2, 2, "60")
chart.ChartData.SetValue(2, 3, "70")
chart.ChartData.SetValue(2, 4, "80")
'Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009")
chart.ChartData.SetValue(3, 2, "80")
chart.ChartData.SetValue(3, 3, "70")
chart.ChartData.SetValue(3, 4, "60")
'Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010")
chart.ChartData.SetValue(4, 2, "60")
chart.ChartData.SetValue(4, 3, "70")
chart.ChartData.SetValue(4, 4, "80")
'Create a new chart series with the name
Dim serieJan As IOfficeChartSerie = chart.Series.Add("Jan")
'Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 4, 2)
'Create a new chart series with the name
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("Feb")
'Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 4, 3)
'Create a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("March")
'Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 4, 4)
'Get the serie data labels
Dim dataLabels As IOfficeChartDataLabels = chart.Series(0).DataPoints.DefaultDataPoint.DataLabels
'Set value form cells to DataLables.
'Set value from cells range in Datalabels'
 dataLabels.IsValueFromCells = true;
 dataLabels.ValueFromCellsRange=chart.ChartData[3,5,3,7];
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

NumberFormat

Gets or sets the format string of the data label.

Declaration

string NumberFormat { get; set; }

Property Value

Type	Description
System.String

Remarks

Number format is specified by the formatCode attribute.To know more about the possible formatCode
see NumberFormat.

Examples

//Create an instance equivalent to PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add a blank slide
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart of specific size and position
IPresentationChart chart = slide.Charts.AddChart(100, 100, 300, 400);
chart.ChartData.SetValue(1, 2, 1); 
chart.ChartData.SetValue(1, 3, 2); 
chart.ChartData.SetValue(1, 4, 3);  
chart.ChartData.SetValue(2, 1, "Blue");
chart.ChartData.SetValue(2, 2, 0.4);
chart.ChartData.SetValue(2, 3, 0.5);
chart.ChartData.SetValue(2, 4, 1.2);
chart.ChartData.SetValue(3, 1, "Red");
chart.ChartData.SetValue(3, 2, 2.6);
chart.ChartData.SetValue(3, 3, 3.6);
chart.ChartData.SetValue(3, 4, 2.1);
chart.ChartData.SetValue(4, 1, "Orange");
chart.ChartData.SetValue(4, 2, 1.1);
chart.ChartData.SetValue(4, 3, 0.6);
chart.ChartData.SetValue(4, 4, 1.2);
chart.ChartData.SetValue(5, 1, "Light Blue");
chart.ChartData.SetValue(5, 2, 2.1);
chart.ChartData.SetValue(5, 3, 3.4);
chart.ChartData.SetValue(5, 4, 1.1);
IOfficeChartSerie serieJan = chart.Series.Add("1");
//Sets the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 5, 2];
IOfficeChartSerie serieFeb = chart.Series.Add("2");
//Sets the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 5, 3];
//Creates a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("3");
//Sets the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 5, 4];
//Set chart data range
chart.DataRange = chart.ChartData[2, 1, 5, 4];
//Specifies the chart type
chart.ChartType = OfficeChartType.Bar_Stacked;
chart.Series[0].DataPoints.DefaultDataPoint.DataLabels.IsValue = true; 
//Set the number format of the data label in percentage, round off to two decimal places
chart.Series[0].DataPoints.DefaultDataPoint.DataLabels.NumberFormat = "0.00%";
//Save the presentation
presentation.Save("sample.pptx");
//Close the Presentation
presentation.Close();

'Create an instance equivalent to PowerPoint presentation
Dim presentationDocument As IPresentation = Presentation.Create()
'Add a blank slide
Dim slide As ISlide = presentationDocument.Slides.Add(SlideLayoutType.Blank)
'Add chart of specific size and position
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 100, 300, 400)
chart.ChartData.SetValue(1, 2, 1)
chart.ChartData.SetValue(1, 3, 2)
chart.ChartData.SetValue(1, 4, 3)
chart.ChartData.SetValue(2, 1, "Blue")
chart.ChartData.SetValue(2, 2, 0.4)
chart.ChartData.SetValue(2, 3, 0.5)
chart.ChartData.SetValue(2, 4, 1.2)
chart.ChartData.SetValue(3, 1, "Red")
chart.ChartData.SetValue(3, 2, 2.6)
chart.ChartData.SetValue(3, 3, 3.6)
chart.ChartData.SetValue(3, 4, 2.1)
chart.ChartData.SetValue(4, 1, "Orange")
chart.ChartData.SetValue(4, 2, 1.1)
chart.ChartData.SetValue(4, 3, 0.6)
chart.ChartData.SetValue(4, 4, 1.2)
chart.ChartData.SetValue(5, 1, "Light Blue")
chart.ChartData.SetValue(5, 2, 2.1)
chart.ChartData.SetValue(5, 3, 3.4)
chart.ChartData.SetValue(5, 4, 1.1)
Dim serieJan As IOfficeChartSerie = chart.Series.Add("1")
'Sets the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 5, 2)
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("2")
'Sets the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 5, 3)
'Creates a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("3")
'Sets the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 5, 4)
'Set chart data range
chart.DataRange = chart.ChartData(2, 1, 5, 4)
'Specifies the chart type
chart.ChartType = OfficeChartType.Bar_Stacked
chart.Series(0).DataPoints.DefaultDataPoint.DataLabels.IsValue = True
'Set the number format of the data label in percentage, round off to two decimal places.
chart.Series(0).DataPoints.DefaultDataPoint.DataLabels.NumberFormat = "0.00%"
'Save the presentation
presentationDocument.Save("sample.pptx")
'Close the Presentation
presentationDocument.Close()

Position

Gets or sets the position of the data labels.

Declaration

OfficeDataLabelPosition Position { get; set; }

Property Value

Type	Description
OfficeDataLabelPosition

Examples

IPresentation presentation = Presentation.Create(); 
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart to the slide with position and size
IPresentationChart chart = slide.Charts.AddChart(100, 10, 500, 300);
//Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan");
chart.ChartData.SetValue(1, 3, "Feb");
chart.ChartData.SetValue(1, 4, "March");
//Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011");
chart.ChartData.SetValue(2, 2, "60");
chart.ChartData.SetValue(2, 3, "70");
chart.ChartData.SetValue(2, 4, "80");
//Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009");
chart.ChartData.SetValue(3, 2, "80");
chart.ChartData.SetValue(3, 3, "70");
chart.ChartData.SetValue(3, 4, "60");
//Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010");
chart.ChartData.SetValue(4, 2, "60");
chart.ChartData.SetValue(4, 3, "70");
chart.ChartData.SetValue(4, 4, "80");
//Create a new chart series with the name
IOfficeChartSerie serieJan = chart.Series.Add("Jan");
//Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 4, 2];
//Create a new chart series with the name
IOfficeChartSerie serieFeb = chart.Series.Add("Feb");
//Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 4, 3];
//Create a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("March");
//Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 4, 4];
//Get the serie data labels
IOfficeChartDataLabels dataLabels = chart.Series[0].DataPoints.DefaultDataPoint.DataLabels;
//Set the serie name
dataLabels.IsSeriesName = true;
//Set the legend key for data labels
dataLabels.IsLegendKey = true; 
//Set the position of data labels
dataLabels.Position = OfficeDataLabelPosition.Outside;
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

Dim presentation__1 As IPresentation = Presentation.Create()
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add chart to the slide with position and size
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 10, 500, 300)
'Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan")
chart.ChartData.SetValue(1, 3, "Feb")
chart.ChartData.SetValue(1, 4, "March")
'Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011")
chart.ChartData.SetValue(2, 2, "60")
chart.ChartData.SetValue(2, 3, "70")
chart.ChartData.SetValue(2, 4, "80")
'Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009")
chart.ChartData.SetValue(3, 2, "80")
chart.ChartData.SetValue(3, 3, "70")
chart.ChartData.SetValue(3, 4, "60")
'Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010")
chart.ChartData.SetValue(4, 2, "60")
chart.ChartData.SetValue(4, 3, "70")
chart.ChartData.SetValue(4, 4, "80")
'Create a new chart series with the name
Dim serieJan As IOfficeChartSerie = chart.Series.Add("Jan")
'Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 4, 2)
'Create a new chart series with the name
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("Feb")
'Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 4, 3)
'Create a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("March")
'Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 4, 4)
'Get the serie data labels
Dim dataLabels As IOfficeChartDataLabels = chart.Series(0).DataPoints.DefaultDataPoint.DataLabels
'Set the serie name
dataLabels.IsSeriesName = True
'Set the legend key for data labels
dataLabels.IsLegendKey = True
'Set the position of data labels
dataLabels.Position = OfficeDataLabelPosition.Outside
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

ShowLeaderLines

Gets or sets a value that indicates Leader Lines is in data labels.

Declaration

bool ShowLeaderLines { get; set; }

Property Value

Type	Description
System.Boolean

Examples

IPresentation presentation = Presentation.Create(); 
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart to the slide with position and size
IPresentationChart chart = slide.Charts.AddChart(100, 10, 500, 300);
//Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan");
chart.ChartData.SetValue(1, 3, "Feb");
chart.ChartData.SetValue(1, 4, "March");
//Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011");
chart.ChartData.SetValue(2, 2, "60");
chart.ChartData.SetValue(2, 3, "70");
chart.ChartData.SetValue(2, 4, "80");
//Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009");
chart.ChartData.SetValue(3, 2, "80");
chart.ChartData.SetValue(3, 3, "70");
chart.ChartData.SetValue(3, 4, "60");
//Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010");
chart.ChartData.SetValue(4, 2, "60");
chart.ChartData.SetValue(4, 3, "70");
chart.ChartData.SetValue(4, 4, "80");
//Create a new chart series with the name
IOfficeChartSerie serieJan = chart.Series.Add("Jan");
//Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 4, 2];
//Create a new chart series with the name
IOfficeChartSerie serieFeb = chart.Series.Add("Feb");
//Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 4, 3];
//Create a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("March");
//Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 4, 4];
//Set the chart type as Pie chart
chart.ChartType = OfficeChartType.Pie;
//Get the serie data labels
IOfficeChartDataLabels dataLabels = chart.Series[0].DataPoints.DefaultDataPoint.DataLabels; 
//Set the leader lines
dataLabels.ShowLeaderLines = true;
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

Dim presentation__1 As IPresentation = Presentation.Create()
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add chart to the slide with position and size
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 10, 500, 300)
'Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan")
chart.ChartData.SetValue(1, 3, "Feb")
chart.ChartData.SetValue(1, 4, "March")
'Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011")
chart.ChartData.SetValue(2, 2, "60")
chart.ChartData.SetValue(2, 3, "70")
chart.ChartData.SetValue(2, 4, "80")
'Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009")
chart.ChartData.SetValue(3, 2, "80")
chart.ChartData.SetValue(3, 3, "70")
chart.ChartData.SetValue(3, 4, "60")
'Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010")
chart.ChartData.SetValue(4, 2, "60")
chart.ChartData.SetValue(4, 3, "70")
chart.ChartData.SetValue(4, 4, "80")
'Create a new chart series with the name
Dim serieJan As IOfficeChartSerie = chart.Series.Add("Jan")
'Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 4, 2)
'Create a new chart series with the name
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("Feb")
'Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 4, 3)
'Create a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("March")
'Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 4, 4)
'Set the chart type as Pie chart
chart.ChartType = OfficeChartType.Pie
'Get the serie data labels
Dim dataLabels As IOfficeChartDataLabels = chart.Series(0).DataPoints.DefaultDataPoint.DataLabels
'Set the leader lines
dataLabels.ShowLeaderLines = True
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()

ValueFromCellsRange

Gets or sets a value that indicates to value from cells range for the data labels on a chart.

Declaration

IOfficeDataRange ValueFromCellsRange { get; set; }

Property Value

Type	Description
IOfficeDataRange

Examples

IPresentation presentation = Presentation.Create(); 
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add chart to the slide with position and size
IPresentationChart chart = slide.Charts.AddChart(100, 10, 500, 300);
//Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan");
chart.ChartData.SetValue(1, 3, "Feb");
chart.ChartData.SetValue(1, 4, "March");
//Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011");
chart.ChartData.SetValue(2, 2, "60");
chart.ChartData.SetValue(2, 3, "70");
chart.ChartData.SetValue(2, 4, "80");
//Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009");
chart.ChartData.SetValue(3, 2, "80");
chart.ChartData.SetValue(3, 3, "70");
chart.ChartData.SetValue(3, 4, "60");
//Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010");
chart.ChartData.SetValue(4, 2, "60");
chart.ChartData.SetValue(4, 3, "70");
chart.ChartData.SetValue(4, 4, "80");
//Create a new chart series with the name
IOfficeChartSerie serieJan = chart.Series.Add("Jan");
//Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData[2, 2, 4, 2];
//Create a new chart series with the name
IOfficeChartSerie serieFeb = chart.Series.Add("Feb");
//Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData[2, 3, 4, 3];
//Create a new chart series with the name
IOfficeChartSerie serieMarch = chart.Series.Add("March");
//Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData[2, 4, 4, 4];
//Get the serie data labels
IOfficeChartDataLabels dataLabels = chart.Series[0].DataPoints.DefaultDataPoint.DataLabels;
//Set the value form cells to datalabels.
dataLabels.IsValueFromCells = true;
//Set teh value form cells range in datalabels.
dataLabels.ValueFromCellsRange=chart.ChartData[3,5,3,7];
//Save the presentation
presentation.Save("Output.pptx");
//Close the presentation
presentation.Close();

Dim presentation__1 As IPresentation = Presentation.Create()
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add chart to the slide with position and size
Dim chart As IPresentationChart = slide.Charts.AddChart(100, 10, 500, 300)
'Set chart data - Row1
chart.ChartData.SetValue(1, 2, "Jan")
chart.ChartData.SetValue(1, 3, "Feb")
chart.ChartData.SetValue(1, 4, "March")
'Set chart data - Row2
chart.ChartData.SetValue(2, 1, "2011")
chart.ChartData.SetValue(2, 2, "60")
chart.ChartData.SetValue(2, 3, "70")
chart.ChartData.SetValue(2, 4, "80")
'Set chart data - Row3
chart.ChartData.SetValue(3, 1, "2009")
chart.ChartData.SetValue(3, 2, "80")
chart.ChartData.SetValue(3, 3, "70")
chart.ChartData.SetValue(3, 4, "60")
'Set chart data - Row4
chart.ChartData.SetValue(4, 1, "2010")
chart.ChartData.SetValue(4, 2, "60")
chart.ChartData.SetValue(4, 3, "70")
chart.ChartData.SetValue(4, 4, "80")
'Create a new chart series with the name
Dim serieJan As IOfficeChartSerie = chart.Series.Add("Jan")
'Set the data range of chart serie � start row, start column, end row, end column
serieJan.Values = chart.ChartData(2, 2, 4, 2)
'Create a new chart series with the name
Dim serieFeb As IOfficeChartSerie = chart.Series.Add("Feb")
'Set the data range of chart serie � start row, start column, end row, end column
serieFeb.Values = chart.ChartData(2, 3, 4, 3)
'Create a new chart series with the name
Dim serieMarch As IOfficeChartSerie = chart.Series.Add("March")
'Set the data range of chart series � start row, start column, end row, end column
serieMarch.Values = chart.ChartData(2, 4, 4, 4)
'Get the serie data labels
Dim dataLabels As IOfficeChartDataLabels = chart.Series(0).DataPoints.DefaultDataPoint.DataLabels
'Set value form cells to DataLables.
'Set value from cells range in Datalabels'
 dataLabels.IsValueFromCells = true;
 dataLabels.ValueFromCellsRange=chart.ChartData[3,5,3,7];
'Save the presentation
presentation__1.Save("Output.pptx")
'Close the presentation
presentation__1.Close()