文件下载失败通过HTTPS在IE

我试图下载通过HTTPS &它无法在IE浏览器，但火狐& Chrome浏览器的完美文件：文件下载失败通过HTTPS在IE

ASPX代码如下：

<%@ Page Language="C#" MasterPageFile="~/MasterPage.Master" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="CRISIIWebApplication1.Default" Title="Untitled Page" %> 
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server"> 
</asp:Content> 
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server"> 
    <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> 
    <asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" /> 
</asp:Content>

后面的按钮点击代码代码如下：

protected void Button1_Click(object sender, EventArgs e) 
     { 
      string filename = TextBox1.Text; 
      string filepath = Server.MapPath(filename); 

     byte[] bytFile = null; 
     FileStream fs = new FileStream(filepath, FileMode.Open, FileAccess.Read); 
     BinaryReader br = new BinaryReader(fs); 
     long numBytes = new FileInfo(filepath).Length; 
     bytFile = br.ReadBytes((int)numBytes); 
     string extension = ".xlsx"; 

     Response.ClearHeaders(); 
     Response.Clear(); 
     Response.Buffer = true; 

     if (extension == ".doc") 
     { 
      Response.ContentType = "application/vnd.ms-word"; 
      Response.AddHeader("content-disposition", "attachment;filename=" + filename); 
     } 

     else if (extension == ".docx") 
     { 
      Response.ContentType = "application/vnd.openxmlformats-officedocument.wordprocessingml.document"; 
      Response.AddHeader("content-disposition", "attachment;filename=" + filename); 
     } 

     else if (extension == ".xls" || extension == ".xlsx") 
     { 
      if (extension == ".xls") 
      { 
       Response.ContentType = "application/vnd.ms-excel"; 
       Response.AddHeader("content-disposition", "attachment;filename=" + filename); 
      } 
      else 
      { 
       Response.ContentType = "application/ms-excel"; 
       //Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; 
       Response.AddHeader("content-disposition", "attachment;filename=" + filename); 
      } 
     } 
     else if (extension == ".pdf") 
     { 
      Response.ContentType = "application/pdf"; 
      Response.AddHeader("content-disposition", "attachment;filename=" + filename); 
     } 

     Response.Charset = ""; 
     Response.Cache.SetCacheability(HttpCacheability.NoCache); 

     Response.BinaryWrite(bytFile); 
     HttpContext.Current.ApplicationInstance.CompleteRequest(); 
     Response.End(); 
    }

请帮

来源

2011-03-04 User_1983

您是否收到错误或请求是否消失？任何有关您正在经历的其他信息都会有所帮助。 – 2011-03-04 19:53:10

你是什么意思，它失败了？你会得到什么样的错误？ – 2011-03-04 19:53:28

它如何失败？ – 2011-03-04 19:53:59

随着用户SquidScareMe写道，你必须忽略/不碰缓存设置用于通过SSL下载Office文件。

我有一个.ashx处理器拥有像一个片段：

// "Internet Explorer is unable to open Office documents from an SSL Web site". 
// http://support.microsoft.com/kb/316431/en-us 
if (!context.Request.IsSecureConnection || !isInternetExplorer(context)) 
{ 
    // No cache. 
    context.Response.Cache.SetCacheability(HttpCacheability.NoCache); 
    context.Response.AppendHeader(@"Pragma", @"no-cache"); 
}

有了这个功能：

private static bool isInternetExplorer(HttpContext context) 
{ 
    return context.Request.Browser.Browser == @"IE"; 
}

来源

2011-03-04 20:10:10

我发现如果你像这样''Response.AddHeader（“Cache-Control”，“no-store，no-cache”）手动设置头部，'它会工作并使用你的缓存头部。请参阅：http://blogs.msdn.com/b/ieinternals/archive/2009/10/03/internet-explorer-cannot-download-over-https-when-no-cache.aspx。 – 2012-08-30 16:56:21