How to create Excel area chart in C#, VB.NET?

This article explains how to create an Area chart in Excel using XlsIO.

What is an area chart?

Area charts visually represent the change in one or more quantities over time or other category data.

       Area Chart Created using XlsIO

To create an area chart in Excel using XlsIO, you need to do the following steps.

Steps to create area chart

1. Initialize chart

Create a chart object by calling the worksheet.Charts.Add method and specify the chart type to ExcelChartType.Area enum value.

2. Assign data

Set a range of data from the worksheet to chart’s DataRange property. To plot the series values in column and categories in row, set chart’s IsSeriesInRows property to false.

3. Apply basic chart elements

Add the basic elements like chart title and legend.

• ChartTitle of chart object.
• Set TRUE to chart’s HasLegend property, to show the legend.

Applicable properties for area chart

Common property applicable for area charts is

1. IsVarycolor  (This property holds good for single series chart and is available in IChartFormat ).

NOTE: Applying other properties apart from the mentioned property might throw exception or the changes will not be reflected in the output document because those properties are not related to area chart.

Download Complete Sample

Download input file with data

To know more about creating charts with various settings using XlsIO, please refer the documentation.

The following C#/ VB.NET complete code snippet shows the creation of area chart using XlsIO.

C#

VB