How to upload and download RAR and ZIP files ASP.Net

For uploading it is same as you do for any file

Upload Files

Dowloading Zip files

    protected void Download(object sender, EventArgs e)
    {
        Response.ContentType = "application/zip";
        Response.AppendHeader("Content-Disposition", "attachment; filename=Docs.zip);
        Response.TransmitFile(Server.MapPath("~/files/Docs.zip"));
        Response.End();
    }