C#HttpContext.Current.Response.AddHeader（）不工作

我下载pdf文件时遇到问题

这是我的c语言代码：

它似乎是

HttpContext.Current.Response.AddHeader（“内容处置”

，

string.Format（“附件；文件名=\”{0}.pdf\，“GGG”）；“

不起作用

它不下载文件，而是显示如下内容：

---

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+u�太太������,��B/。�A.��. x����������> endobj 2 0 obj试试这样：

string file=HttpContext.Current.Server.MapPath("/FOLDER1/FOLDER2/test.pdf");
MemoryStream stream= new MemoryStream();
HttpResponse response = HttpContext.Current.Response;            
response.ClearContent();
response.Clear();
response.ContentType = "application/pdf";
response.AddHeader("Content-Disposition", string.Format("attachment; filename=\"{0}.pdf\""));
using (FileStream fs = new FileStream(file, FileMode.Create, System.IO.FileAccess.Write))
 {
     stream.WriteTo(fs);
 }

 response.Flush();
 response.End();

您是否设置过内容类型？
HttpContext.Current.Response.ContentType=“application/pdf”
yes，我添加了：HttpContext.Current.Response.AddHeader（“内容类型”，“应用程序/pdf”）；在：HttpContext.Current.Response.AddHeader（“内容处置”，string.Format（“附件；文件名=\”{0}.pdf\，“GGG”）；
string file=HttpContext.Current.Server.MapPath("/FOLDER1/FOLDER2/test.pdf");
MemoryStream stream= new MemoryStream();
HttpResponse response = HttpContext.Current.Response;            
response.ClearContent();
response.Clear();
response.ContentType = "application/pdf";
response.AddHeader("Content-Disposition", string.Format("attachment; filename=\"{0}.pdf\""));
using (FileStream fs = new FileStream(file, FileMode.Create, System.IO.FileAccess.Write))
 {
     stream.WriteTo(fs);
 }

 response.Flush();
 response.End();