asp.net动态生成txt文本文件供用户下载

 一，JS动态创建表单
 var result = "   <form method='post'  action='../xiazai.aspx'><table width='100%' border='0' cellpadding='0' cellspacing='1' bgcolor='#BDB4A2'>"+
                "<tr>"+
                  "<td width='40' height='40' bgcolor='#CCC0AA'>&nbsp;</td>"+
                  "<td colspan='3' align='center' bgcolor='#F3EDDD' class='font_14'>共生成"+arrCon[1]+"注选号，共计"+(Number(arrCon[1])*2)+"元。</td>"+
                  "<td width='40' bgcolor='#CCC0AA'>&nbsp;</td>"+
                "</tr>";
             result += "<tr><td height='40' bgcolor='#CCC0AA'>&nbsp;</td>";
             var content = arrCon[0];
             var array = content.split(";");
             for(var i=0;i<array.length;i++){
              result += " <td align='center'  bgcolor='#FEFBF4'><span class='ft166C5'> <input name='txt1' type='hidden' value='"+array[i]+"\t\n' />  "+array[i]+" </span></td>"
              if((i+1)%3 == 0){
               result += "<td bgcolor='#CCC0AA'></