Export ListView to Excel and download file directly to folder without File Save Dialog Box in ASP.Net

Files cannot be downloaded without permision of user. Hence it is not possible

when the user clicks the button to export it triggers the function i created below which actually saves the files without the user prompt.

    public int fExport(ListView lsvt, string filename)
    {


        try
        {

           if (File.Exists(filename))
            {
                File.Delete(filename);
            }


            StringWriter stringWriter = new StringWriter();
            HtmlTextWriter htmlTextWriter = new HtmlTextWriter(stringWriter);
            lsvt.RenderControl(htmlTextWriter);
            string content = stringWriter.ToString();

            //    string test= "<style>.textmode{mso-number-format:\@;}</style>" ;

            System.IO.File.WriteAllText(filename, content.ToString());

            // Response.Write(content);
            // Response.End();
            /*
 Dim style As String = "<style>.textmode{mso-number-format:\@;}</style>"  
 System.IO.File.WriteAllText("D:\\Test.xls", style & sw.ToString())*/
            return 0;

        }




        catch (Exception ex)
        {
            Helper.sendShortEmail("An error has occurred within the weeklyViolationsScp script, please investigate immediately.  The actual error message has been recorded below <br /> <br /> " + ex.Message.ToString(), devsarr1[0], "Error in Script");

            return 1;

        }

    }

When deployed on server this will save file on server and not on client user's machine.

Do check it out.