DataLabels.NumberFormat

DataLabels.NumberFormat property

Represents the format string for the DataLabels object.

public string NumberFormat { get; set; }

Examples

using System;
using Aspose.Cells;
using Aspose.Cells.Charts;

namespace AsposeCellsExamples
{
    public class DataLabelsPropertyNumberFormatDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];

            // Add sample data
            worksheet.Cells["A1"].PutValue("Category");
            worksheet.Cells["A2"].PutValue("A");
            worksheet.Cells["A3"].PutValue("B");
            worksheet.Cells["A4"].PutValue("C");
            worksheet.Cells["B1"].PutValue("Value");
            worksheet.Cells["B2"].PutValue(1000);
            worksheet.Cells["B3"].PutValue(2000);
            worksheet.Cells["B4"].PutValue(3000);

            // Add a chart
            int chartIndex = worksheet.Charts.Add(ChartType.Column, 5, 0, 20, 8);
            Chart chart = worksheet.Charts[chartIndex];
            
            // Set chart data range
            chart.NSeries.Add("B2:B4", true);
            chart.NSeries.CategoryData = "A2:A4";

            // Enable data labels
            Series series = chart.NSeries[0];
            series.DataLabels.ShowValue = true;
            
            // Set custom number format for data labels
            series.DataLabels.NumberFormat = "_(* #,##0_);_(* \\(#,##0\\);_(* \"-\"??_);_(@_)";
            
            // Save the workbook
            workbook.Save("DataLabelsNumberFormatDemo.xlsx");
        }
    }
}

See Also