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V24.1

DataLabelCollection.SetReference(CellRange) Method

Specifies the cell range used as a source for the data labels.

Namespace: DevExpress.Spreadsheet.Charts

Assembly: DevExpress.Spreadsheet.v24.1.Core.dll

NuGet Package: DevExpress.Spreadsheet.Core

Declaration

void SetReference(
    CellRange range
)

Parameters

Name Type Description
range CellRange

A cell range used as a reference to data labels.

Exceptions

Type Description
InvalidOperationException

Thrown if the passed range is a 2D range (contains more than one row and/or column).

ArgumentException

Thrown if the passed range is a union (complex) range.

Remarks

Set the Series.UseCustomDataLabels property to true to specify cell values as data labels.

Example

The code sample below shows how to use cell values as data labels:

Chart with data labels from cell values

using DevExpress.Spreadsheet;
using DevExpress.Spreadsheet.Charts;

Worksheet worksheet = workbook.Worksheets["chartTask5"];
workbook.Worksheets.ActiveWorksheet = worksheet;

// Create a chart and specify its location
Chart chart = worksheet.Charts.Add(ChartType.ColumnClustered, worksheet["B2:C8"]);
chart.TopLeftCell = worksheet.Cells["F2"];
chart.BottomRightCell = worksheet.Cells["L15"];
// Specify the chart style
chart.Style = ChartStyle.ColorGradient;

chart.Series[0].UseCustomDataLabels = true;
var customDataLabels = chart.Series[0].CustomDataLabels;
customDataLabels.SetReference(worksheet["D3:D8"]);
See Also