Export Grid view to excel and save excel file to folder

Question

I want to save excel file which export data of grid view. I have written code to export gridview data to excel but I don\'t know how to save exported file.

Following

Answer 1

public partial class exportgridtoexcel : System.Web.UI.Page
{
    SqlConnection con=new SqlConnection(ConfigurationManager.ConnectionStrings["dbconnection"].ConnectionString.ToString());
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            GetData();
        }
    }
    public void GetData()
    {
        SqlDataAdapter sda = new SqlDataAdapter("select * from EmpData", con);
        DataTable dt = new DataTable();
        sda.Fill(dt);
        GridView1.DataSource = dt;
        GridView1.DataBind();
    }

    protected void btnDownload_Click(object sender, EventArgs e)
    {
        GetData();
        exporttoexcel("Report.xls", GridView1);
        GridView1 = null;
        GridView1.Dispose();



    }
    public void exporttoexcel(string filename,GridView gv)
    {
        Response.ClearContent();
        Response.AddHeader("content-disposition", "attachment;filename=" + filename);
        Response.ContentType = "applicatio/excel";
        StringWriter sw = new StringWriter(); ;
        HtmlTextWriter htm=new HtmlTextWriter(sw);
        gv.RenderControl(htm);
        Response.Write(sw.ToString());
        Response.End();
    }
    public override void VerifyRenderingInServerForm(Control control)
    {

    }
}

}