Getsuyodev, Programming is mainly used when constructing an application. Programming requires knowledge of application domains, algorithms, and programming language expertise. Programming can be developed in different logic based on developer knowledge.

How to export DataGridView to excel file

The following C# program demonstrates how to export data from Datagridview to an Excel file.

The program first connects the database and load data from the database to Datagridview and then create a new excel file and write the data from Datagridview to Excel file.

The first step is to Load the Product table data to DataGridView, for detail of Product table please refer to Database Structure, and create new Excel file and write the data from Datagridview to Excel file.

using System;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
using Excel = Microsoft.Office.Interop.Excel; 

namespace WindowsApplication1
    public partial class Form1 : Form
        public Form1()

        private void button1_Click(object sender, EventArgs e)
            SqlConnection cnn ;
            string connectionString = null;
            string sql = null;

            connectionString = "data source=servername;initial catalog=databasename;user id=username;password=password;";
            cnn = new SqlConnection(connectionString);
            sql = "SELECT * FROM Product";
            SqlDataAdapter dscmd = new SqlDataAdapter(sql, cnn);
            DataSet ds = new DataSet();

            dataGridView1.DataSource = ds.Tables[0];

        private void button2_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);
            int i = 0;
            int j = 0; 

            for (i = 0; i <= dataGridView1.RowCount  - 1; i++)
                for (j = 0; j <= dataGridView1.ColumnCount  - 1; j++)
                    DataGridViewCell cell = dataGridView1[j, i];
                    xlWorkSheet.Cells[i + 1, j + 1] = cell.Value;

            xlWorkBook.SaveAs("getsuyodev.xls", Excel.XlFileFormat.xlWorkbookNormal, misValue, misValue, misValue, misValue, Excel.XlSaveAsAccessMode.xlExclusive, misValue, misValue, misValue, misValue, misValue);
            xlWorkBook.Close(true, misValue, misValue);


            MessageBox.Show("Excel file created , you can find the file c:\\getsuyodev.xls");

        private void releaseObject(object obj)
                obj = null;
            catch (Exception ex)
                obj = null;
                MessageBox.Show("Exception Occured while releasing object " + ex.ToString());


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