Download a file from Asp.net C#

Download a file from Asp.net C#

How to download the file from the server using the asp.net c#

For sample purpose i used one .css file for download

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

namespace SampleTestingCodes

{

    public partial class DownloadingFiles : System.Web.UI.Page

    {

        protected void Page_Load(object sender, EventArgs e)

        {

            //File Extension

            string Extension = ".css";

            //File Name

            string fileName = "Site";

            //File path Location

            //You can also use this like

            //string path = Server.MapPath("../TempSql/") + fileName + Extension;

            string path = Server.MapPath("~/Styles/") + fileName + Extension;

            System.IO.FileInfo file = new System.IO.FileInfo(path);

            if (file.Exists)

            {

                Response.Clear();

                Response.AddHeader("Content-Disposition", "attachment; filename=" + fileName + Extension);

                Response.AddHeader("Content-Length", file.Length.ToString());

                Response.ContentType = "application/....";

                Response.WriteFile(Server.MapPath("~/Styles/") + fileName + Extension);

                Response.End();

            }

            else

            {

                Response.Write("This file does not exist.");

            }

        }

    }

}