httpResponse.AppendHeader("Content-Disposition","attachment;filename="+HttpUtility.UrlEncode(fileName,System.Text.Encoding.UTF8));
httpResponse.ContentEncoding=System.Text.Encoding.GetEncoding("BIG5");
httpResponse.ContentType ="application/ms-excel";
string title= "t1"+"\t"+"t2"+"\n";
response.write(title);
string content= "c1"+"\t"+"c2"+"\n";
response.write(content);
response.end();