Interface IChartAxis

Represents an axis on the chart.

Namespace: Syncfusion.XlsIO

Assembly: Syncfusion.XlsIO.Portable.dll

Syntax

public interface IChartAxis

Properties

Alignment

Gets or sets the alignment for the tick label.

Declaration

ExcelAxisTextDirection Alignment { get; set; }

Property Value

Type
ExcelAxisTextDirection

Remarks

Used in older versions of Microsoft office.

AutoTickLabelSpacing

Gets or sets a boolean value indicating whether or not the tick label spacing is automatic.

Declaration

bool AutoTickLabelSpacing { get; set; }

Property Value

Type
System.Boolean

Remarks

Using TickLabelSpacing and TickMarkSpacing we can alter the IChartCategoryAxis appearance.

Examples

By default AutoTickLabelSpacing property is set to "true" tick label spacing is set automatically. Here for example, we set AutoTickLabelSpacing to "false".

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart type
            chart.ChartType = ExcelChartType.Line;

            //Set chart axis
            IChartAxis chartAxis = chart.PrimaryCategoryAxis;

            //Set auto spacing
            chartAxis.AutoTickLabelSpacing = false;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

AxisType

Gets the type of the axis. Read-only.

Declaration

ExcelAxisType AxisType { get; }

Property Value

Type
ExcelAxisType

Examples

The following code illustrates how to access the AxisType property.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10000";
            sheet.Range["B2"].Value = "20000";
            sheet.Range["C2"].Value = "30000";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart value axis
            IChartAxis chartAxis = chart.PrimaryValueAxis;

            //Get axis type
            Console.Write(chartAxis.AxisType);

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
            Console.ReadKey();
        }

Border

Gets the chart border. Read-only.

Declaration

IChartBorder Border { get; }

Property Value

Type
IChartBorder

Examples

The following code illustrates how to set color to PrimaryCategoryAxis's border using Border property.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set chart type
            chart.ChartType = ExcelChartType.Pareto;

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart category axis
            IChartAxis categoryAxis = chart.PrimaryCategoryAxis;

            //Set category title
            categoryAxis.Title = "Categories";

            //Set border
            IChartBorder border = categoryAxis.Border;

            //Set color
            border.ColorIndex = ExcelKnownColors.Red;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

Chart3DOptions

Gets the 3D options for the chart. Read-only.

Declaration

IThreeDFormat Chart3DOptions { get; }

Property Value

Type
IThreeDFormat

Remarks

Used in older versions of Microsoft office.

Font

Gets the font used for axis text display. Read-only.

Declaration

IFont Font { get; }

Property Value

Type
IFont

Examples

The following code illustrates how to set font color to the PrimaryCategoryAxis's category labels using Font property.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart axis
            IChartAxis chartAxis =  chart.PrimaryCategoryAxis;

            //Set font color
            chartAxis.Font.Color = ExcelKnownColors.Red;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

HasMajorGridLines

Gets or sets a boolean value indicating if the axis has major grid lines.

Declaration

bool HasMajorGridLines { get; set; }

Property Value

Type
System.Boolean

Examples

The following code illustrates how to set visibility of MajorGridLines of PrimaryCategoryAxis.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart axis
            IChartAxis chartAxis =  chart.PrimaryCategoryAxis;

            //Set grid lines visibility
            chartAxis.HasMajorGridLines = true;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

HasMinorGridLines

Gets or sets a boolean value indicating if the axis has minor grid lines.

Declaration

bool HasMinorGridLines { get; set; }

Property Value

Type
System.Boolean

Examples

The following code illustrates how to set visibility of MinorGridLines of PrimaryCategoryAxis.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart axis
            IChartAxis chartAxis =  chart.PrimaryCategoryAxis;

            //Set grid lines visibility
            chartAxis.HasMinorGridLines = true;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

IsReversed

True if data points are plotted from last to first. otherwise False.

Declaration

bool IsReversed { get; set; }

Property Value

Type
System.Boolean

Remarks

This property is obsolete. Please use ReversePlotOrder instead of it

MajorGridLines

Gets the major grid lines for the axis. Read-only.

Declaration

IChartGridLine MajorGridLines { get; }

Property Value

Type
IChartGridLine

Examples

The following code illustrates how to access MajorGridLines of PrimaryCategoryAxis and set colors to it.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart axis
            IChartAxis chartAxis =  chart.PrimaryCategoryAxis;

            //Set visibility
            chartAxis.HasMajorGridLines = true;

            //Set grid lines
            IChartGridLine gridLine = chartAxis.MajorGridLines;
            gridLine.LineProperties.ColorIndex = ExcelKnownColors.Red;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

MajorTickMark

Gets or sets the type of major tick mark for the axis.

Declaration

ExcelTickMark MajorTickMark { get; set; }

Property Value

Type
ExcelTickMark

Examples

By default MajorTickMark is set to TickMark_Outside. Here for example, we set TickMark_Cross to MajorTickMark.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart category axis
            IChartAxis categoryAxis = chart.PrimaryCategoryAxis;

            //Set category major tick type
            categoryAxis.MajorTickMark = ExcelTickMark.TickMark_Cross;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

MinorGridLines

Gets the minor grid lines for the axis. Read-only.

Declaration

IChartGridLine MinorGridLines { get; }

Property Value

Type
IChartGridLine

Examples

The following code illustrates how to access MinorGridLines of PrimaryCategoryAxis and set colors to it.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart axis
            IChartAxis chartAxis =  chart.PrimaryCategoryAxis;

            //Set visibility
            chartAxis.HasMinorGridLines = true;

            //Set grid lines
            IChartGridLine gridLine = chartAxis.MinorGridLines;
            gridLine.LineProperties.ColorIndex = ExcelKnownColors.Red;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

MinorTickMark

Gets or sets the type of minor tick mark for the axis.

Declaration

ExcelTickMark MinorTickMark { get; set; }

Property Value

Type
ExcelTickMark

Examples

By default MinorTickMark is set to TickMark_None. Here for example, we set TickMark_Cross to MinorTickMark.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart category axis
            IChartAxis categoryAxis = chart.PrimaryCategoryAxis;

            //Set category minor tick type
            categoryAxis.MinorTickMark = ExcelTickMark.TickMark_Cross;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

NumberFormat

Gets or sets number format for the axis values.

Declaration

string NumberFormat { get; set; }

Property Value

Type
System.String

Examples

By default "General" set to NumberFormat. Here for example, we set currency format "$#,##0_);($#,##0)" to NumberFormat to display value in the PrimaryValueAxis as currency.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10000";
            sheet.Range["B2"].Value = "20000";
            sheet.Range["C2"].Value = "30000";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart value axis
            IChartAxis chartAxis = chart.PrimaryValueAxis;

            //Set number format
            chartAxis.NumberFormat = @"$#,##0_);($#,##0)";

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

ReversePlotOrder

Gets or sets a boolean value indicating whether to plot data points from last to first.

Declaration

bool ReversePlotOrder { get; set; }

Property Value

Type
System.Boolean

Examples

The following code illustrates how to plot the data points in reverse order.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";
            sheet.Range["A3"].Value = "100";
            sheet.Range["B3"].Value = "200";
            sheet.Range["C3"].Value = "300";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C3"];

            //Set chart axis
            IChartAxis chartAxis =  chart.PrimaryCategoryAxis;

            //Set reverse plot order
            chartAxis.ReversePlotOrder = true;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

Shadow

Gets the shadow properties for the axis. Read-only.

Declaration

IShadow Shadow { get; }

Property Value

Type
IShadow

Examples

The following code illustrates how to set ShadowColor, Size and Blur by accessing Shadow property.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart category axis
            IChartAxis categoryAxis = chart.PrimaryCategoryAxis;

            //Set category title
            categoryAxis.Title = "Categories";

            //Set shadow
            IShadow shadow = categoryAxis.Shadow;
            shadow.Size = 100;
            shadow.Blur = 15;

            //Set color
            shadow.ShadowColor = System.Drawing.Color.Red;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

TextRotationAngle

Gets or sets the axis text rotation angle. Should be an integer value between -90 and 90.

Declaration

int TextRotationAngle { get; set; }

Property Value

Type
System.Int32

Examples

The following code illustrates how to set TextRotationAngle for PrimaryCategoryAxis.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set secondary axis
            IChartAxis chartAxis =  chart.PrimaryCategoryAxis;

            //Set text rotation angle
            chartAxis.TextRotationAngle = 30;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

TickLabelPosition

Gets or sets the position of tick-mark labels on the axis.

Declaration

ExcelTickLabelPosition TickLabelPosition { get; set; }

Property Value

Type
ExcelTickLabelPosition

Examples

By default TickLabelPosition is set to TickLabelPosition_NextToAxis. Here for example, we set TickLabelPosition_High to TickLabelPosition property.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart category axis
            IChartAxis categoryAxis = chart.PrimaryCategoryAxis;

            //Set category tick labels position
            categoryAxis.TickLabelPosition = ExcelTickLabelPosition.TickLabelPosition_High;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

Title

Gets or sets the axis title.

Declaration

string Title { get; set; }

Property Value

Type
System.String

Examples

The following code illustrates how to set Title for the PrimaryCategoryAxis.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set chart type
            chart.ChartType = ExcelChartType.Pareto;

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart category axis
            IChartAxis categoryAxis = chart.PrimaryCategoryAxis;

            //Set category title
            categoryAxis.Title = "Categories";

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

TitleArea

Gets the area for the axis title. Read-only.

Declaration

IChartTextArea TitleArea { get; }

Property Value

Type
IChartTextArea

Examples

The following code illustrates how to set foreground color to PrimaryCategoryAxis's title area using TitleArea property.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set chart type
            chart.ChartType = ExcelChartType.Pareto;

            //Set range
            chart.DataRange = sheet.Range["A1:C2"];

            //Set chart category axis
            IChartAxis categoryAxis = chart.PrimaryCategoryAxis;

            //Set category title
            categoryAxis.Title = "Categories";

            //Set title area
            IChartTextArea titleArea = categoryAxis.TitleArea;

            //Set color
            titleArea.FrameFormat.Fill.ForeColorIndex = ExcelKnownColors.Pale_blue;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }

Visible

True if the axis is visible. otherwise False.

Declaration

bool Visible { get; set; }

Property Value

Type
System.Boolean

Examples

The following code illustrates how to set visibility of PrimaryCategoryAxis.

        using (ExcelEngine excelEngine = new ExcelEngine())
        {
            //Create worksheet
            IApplication application = excelEngine.Excel;
            application.DefaultVersion = ExcelVersion.Excel2013;
            IWorkbook workbook = application.Workbooks.Create(1);
            IWorksheet sheet = workbook.Worksheets[0];

            //Add data
            sheet.Range["A1"].Text = "Jan";
            sheet.Range["B1"].Text = "Feb";
            sheet.Range["C1"].Text = "Mar";
            sheet.Range["A2"].Value = "10";
            sheet.Range["B2"].Value = "20";
            sheet.Range["C2"].Value = "30";
            sheet.Range["A3"].Value = "100";
            sheet.Range["B3"].Value = "200";
            sheet.Range["C3"].Value = "300";

            //Create chart
            IChart chart = sheet.Charts.Add();

            //Set range
            chart.DataRange = sheet.Range["A1:C3"];

            //Set chart axis
            IChartAxis chartAxis =  chart.PrimaryCategoryAxis;

            //Set visibility
            chartAxis.Visible = false;

            //Save and Dispose
            workbook.SaveAs("Chart.xlsx");
            workbook.Close();
        }