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This article explains how to create a scatter with straight line chart in Excel using Syncfusion Excel (XlsIO) library. What is scatter with straight line chart?A scatter with straight line chart is used to compare at least two sets of values or pairs of data. The values are represented with a connected straight line.
Scatter with Straight Line Chart To create a scatter with straight line chart in Excel using XlsIO, you need to do the following steps. Steps to create scatter with straight line chart:Step 1: Initialize chartCreate a chart object by calling the worksheet.Charts.Add method and specify the chart type to ExcelChartType.Scatter_Line enum value. C# //Create the chart IChartShape chart = worksheet.Charts.Add(); //Set chart type to Scatter_Line chart.ChartType = ExcelChartType.Scatter_Line;
Step 2: Assign dataSet 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. C# //Set region of Chart data chart.DataRange = worksheet["A3:B7"]; //Set chart series in column for assigned data region chart.IsSeriesInRows = false;
Step 3: Apply basic chart elementsAdd the basic elements like chart title, data labels and legend.
C# //Apply chart elements //Set Chart Title chart.ChartTitle = "Scatter With Straight Line Chart"; //Set Legend chart.HasLegend = false; //Set Datalabels IChartSerie serie = chart.Series[0]; serie.DataPoints.DefaultDataPoint.DataLabels.IsValue = true; serie.DataPoints.DefaultDataPoint.DataLabels.IsCategoryName = true;
Applicable properties for scatter with straight lines chartProperty applicable for a scatter with straight line chart along with the common line properties is:
To know more about creating charts with various settings using Syncfusion Excel (XlsIO) library, please refer the documentation. The following C#/ VB.NET complete code snippet shows the creation of scatter with straight line chart using XlsIO. C# using Syncfusion.XlsIO;
using System.Reflection;
using System.IO;
namespace ChartSample
{
class Program
{
static void Main(string[] args)
{
using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Excel2016;
//Open existing workbook with data entered
Assembly assembly = typeof(Program).GetTypeInfo().Assembly;
Stream fileStream = assembly.GetManifestResourceStream("ChartSample.InputTemplate.xlsx");
IWorkbook workbook = application.Workbooks.Open(fileStream);
IWorksheet worksheet = workbook.Worksheets[0];
//Initialize chart
IChartShape chart = worksheet.Charts.Add();
chart.ChartType = ExcelChartType.Scatter_Line;
//Assign data
chart.DataRange = worksheet["A3:B7"];
chart.IsSeriesInRows = false;
//Apply chart elements
//Set Chart Title
chart.ChartTitle = "Scatter With Straight Line Chart";
//Set Legend
chart.HasLegend = false;
//Set Datalabels
IChartSerie serie = chart.Series[0];
serie1.DataPoints.DefaultDataPoint.DataLabels.IsValue = true;
serie1.DataPoints.DefaultDataPoint.DataLabels.IsCategoryName = true;
//Positioning the chart in the worksheet
chart.TopRow = 8;
chart.LeftColumn = 1;
chart.BottomRow = 23;
chart.RightColumn = 8;
//Saving and closing the workbook
Stream stream = File.Create("Output.xlsx");
workbook.SaveAs(stream);
}
}
}
}
VB.NET Imports Syncfusion.XlsIO
Imports System.Reflection
Imports System.IO
Namespace ChartSample
Class Program
Public Shared Sub Main(ByVal args As String())
Using excelEngine As ExcelEngine = New ExcelEngine()
Dim application As IApplication = excelEngine.Excel
application.DefaultVersion = ExcelVersion.Excel2016
'Open existing workbook with data entered
Dim assembly As Assembly = GetType(Program).GetTypeInfo().Assembly
Dim fileStream As Stream = assembly.GetManifestResourceStream("ChartSample.InputTemplate.xlsx")
Dim workbook As IWorkbook = application.Workbooks.Open(fileStream)
Dim worksheet As IWorksheet = workbook.Worksheets(0)
'Initialize chart
Dim chart As IChartShape = worksheet.Charts.Add()
chart.ChartType = ExcelChartType.Scatter_Line
'Assign data
chart.DataRange = worksheet("A3:B7")
chart.IsSeriesInRows = False
'Apply chart elements
'Set Chart Title
chart.ChartTitle = "Scatter With Straight Line Chart"
'Set Legend
chart.HasLegend = False
'Set Datalabels
IChartSerie serie = chart.Series[0]
serie.DataPoints.DefaultDataPoint.DataLabels.IsValue = True
serie.DataPoints.DefaultDataPoint.DataLabels.IsCategoryName = True
'Positioning chart in the worksheet
chart.TopRow = 8
chart.LeftColumn = 1
chart.BottomRow = 23
chart.RightColumn = 8
'Saving and closing the workbook
Dim stream As Stream = File.Create("Output.xlsx")
workbook.SaveAs(stream)
End Using
End Sub
End Class
End Namespace
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