网页下载IE,FireFox文件名编码

在Firefox中需要把filename 用双引号包起来，才能得到想要的名字，不然如果含有空格，会丢掉空格后面的部分。
而IE会把空格转为_,因此也需要HttpUtility.UrlPathEncode方法处理下名字。
如果Firefox中也用HttpUtility.UrlPathEncode处理名字，空格将被替换成"%20".

HttpContext.Current.Response.Buffer = true;
HttpContext.Current.Response.ClearContent();
HttpContext.Current.Response.ClearHeaders();
HttpContext.Current.Response.ContentType = "Application/pdf";
string doc1 = System.IO.Path.GetFileNameWithoutExtension(doc) + "_" + intNewID.ToString() + ".pdf";

if(HttpContext.Current.Request.Browser.Browser != "IE")
         HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=\"" +doc1+"\"");
else
    HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename="+ HttpUtility.UrlPathEncode( doc1));
byte[] buffer=System.IO.File.ReadAllBytes(doc);
HttpContext.Current.Response.AddHeader("Content-Length", buffer.Length.ToString());
HttpContext.Current.Response.BinaryWrite(buffer);

转:http://www.cnblogs.com/hardrock/archive/2009/09/30/1576709.html