How to create Excel Chart from C#

We can create Chart in Excel through C# . The following section shows how to create a Chart in Excel through C# source code .

The following C# source code using Microsoft Excel 12.0 Object Library .In the previous section we saw how to import Microsoft Excel 12.0 Object Library in the C# project .

Create Excel file from CSharp

Before we crating a Chart , we have to fill data in Excel sheet. Here we are filling the data in excel sheet through C# program. After fill the data in your Excel sheet its look like the following picture.

csharp-excel-chart-data

After fill the data , We have to create a chart object in C# and configure the Chart object with necessary data like positions , size , data range , chart type etc..

The following picture shows the excel file after created a chart.

csharp-excel-create-chart Full Source C#
using System; using System.Windows.Forms; using Excel = Microsoft.Office.Interop.Excel; namespace WindowsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { Excel.Application xlApp ; Excel.Workbook xlWorkBook ; Excel.Worksheet xlWorkSheet ; object misValue = System.Reflection.Missing.Value; xlApp = new Excel.Application(); xlWorkBook = xlApp.Workbooks.Add(misValue); xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1); //add data xlWorkSheet.Cells[1, 1] = ""; xlWorkSheet.Cells[1, 2] = "Student1"; xlWorkSheet.Cells[1, 3] = "Student2"; xlWorkSheet.Cells[1, 4] = "Student3"; xlWorkSheet.Cells[2, 1] = "Term1"; xlWorkSheet.Cells[2, 2] = "80"; xlWorkSheet.Cells[2, 3] = "65"; xlWorkSheet.Cells[2, 4] = "45"; xlWorkSheet.Cells[3, 1] = "Term2"; xlWorkSheet.Cells[3, 2] = "78"; xlWorkSheet.Cells[3, 3] = "72"; xlWorkSheet.Cells[3, 4] = "60"; xlWorkSheet.Cells[4, 1] = "Term3"; xlWorkSheet.Cells[4, 2] = "82"; xlWorkSheet.Cells[4, 3] = "80"; xlWorkSheet.Cells[4, 4] = "65"; xlWorkSheet.Cells[5, 1] = "Term4"; xlWorkSheet.Cells[5, 2] = "75"; xlWorkSheet.Cells[5, 3] = "82"; xlWorkSheet.Cells[5, 4] = "68"; Excel.Range chartRange ; Excel.ChartObjects xlCharts = (Excel.ChartObjects)xlWorkSheet.ChartObjects(Type.Missing); Excel.ChartObject myChart = (Excel.ChartObject)xlCharts.Add(10, 80, 300, 250); Excel.Chart chartPage = myChart.Chart; chartRange = xlWorkSheet.get_Range("A1", "d5"); chartPage.SetSourceData(chartRange, misValue); chartPage.ChartType = Excel.XlChartType.xlColumnClustered; xlWorkBook.SaveAs("csharp.net-informations.xls", Excel.XlFileFormat.xlWorkbookNormal, misValue, misValue, misValue, misValue, Excel.XlSaveAsAccessMode.xlExclusive, misValue, misValue, misValue, misValue, misValue); xlWorkBook.Close(true, misValue, misValue); xlApp.Quit(); releaseObject(xlWorkSheet); releaseObject(xlWorkBook); releaseObject(xlApp); MessageBox.Show("Excel file created , you can find the file c:\\csharp.net-informations.xls"); } private void releaseObject(object obj) { try { System.Runtime.InteropServices.Marshal.ReleaseComObject(obj); obj = null; } catch (Exception ex) { obj = null; MessageBox.Show("Exception Occured while releasing object " + ex.ToString()); } finally { GC.Collect(); } } } }