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Session["FILE_PATH"] =  Â·¾¶ + "DownLoadFile.txt";
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    {
        string strFilePath = Session["FILE_PATH"].ToString();
        string strFileName = Session["FILE_NAME"].ToString();
        Response.AppendHeader("Content-Transfer-Encoding", "base64");
        Response.ContentType = "application/octet-stream";
Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(strFileName));
        Response.Flush();
        Response.WriteFile(strFilePath);
        Response.End();
    }


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