Add the reference in your project. Right click on the project - > add reference
Now from the COM tab add two references
1. Microsoft Office 12.0 Object Library
2. Microsoft Excel 12.0 Object Library
using Excel = Microsoft.Office.Interop.Excel;
private void btnExport_Click(object sender, EventArgs e)
{
// creating Excel Application
Excel._Application app = new Microsoft.Office.Interop.Excel.Application();
// creating new WorkBook within Excel application
Excel._Workbook workbook = app.Workbooks.Add(Type.Missing);
// creating new Excelsheet in workbook
Excel._Worksheet worksheet = null;
// see the excel sheet behind the program
app.Visible = false;
// get the reference of first sheet. By default its name is Sheet1.
// store its reference to worksheet
worksheet = workbook.Sheets["Sheet1"];
worksheet = workbook.ActiveSheet;
// changing the name of active sheet
worksheet.Name = "Exported from gridview";
// storing header part in Excel
for (int i = 1; i < dataGridView1.Columns.Count + 1; i++)
{
worksheet.Cells[1, i] = dataGridView1.Columns[i - 1].HeaderText;
}
// storing Each row and column value to excel sheet
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{
for (int j = 0; j < dataGridView1.Columns.Count; j++)
{
worksheet.Cells[i + 2, j + 1] = dataGridView1.Rows[i].Cells[j].Value.ToString();
}
}
// save the application
workbook.SaveAs("d:\\output.xls", Type.Missing, Type.Missing, Type.Missing,
Type.Missing,
Type.Missing, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlExclusive,
Type.Missing, Type.Missing, Type.Missing, Type.Missing);
// Exit from the application
app.Quit();
MessageBox.Show("Excel file created , you can find the file d:\\output.xls");
}