获取访问被拒绝试图读取的App_Data在ASP.NET项目中的文件 - 任何指针？ [英] Getting Access denied trying to read a file in App_Data in a ASP.NET project - Any pointers?

问题描述

我已经存储在程序App_Data的XML文件，该文件仅用于阅读在启动一些配置。当我尝试我的code中打开它，我去......被拒绝的消息路径的访问。

I've an XML file stored in App_Data which is only used to read some configuration on startup. When I attempt to open it within my code, I get an Access to the path ... is denied message.

我无法理解为什么，以及如何解决它。我想从理论上讲，我应该改变的文件（目录）的权限，但这并没有改变任何东西。

I'm having trouble understanding why, and how to solve it. I guess in theory I should alter the permissions on the file (and directory), but this hasn't changed anything.

为了让多一点背景：
1.它与项目捆绑一个文件，因此通过VS2008创建的安装过程中安装它写入到正确的位置。我不认为我需要做什么不寻常的安装后使得ASP.NET应用程序将有机会获得。
2.当我试着发布这个地方，我已经没有任何问题。 - 这只是一个测试的Windows 2003服务器上。
3.我已经跑了一个简单的页面，了解IIS的有效用户 - 这是NT AUTHORITY \\ NETWORK SERVICE。我试着授予完全访问，以该用户这个文件，它仍然无法正常工作。

To give a bit more background: 1. Its a file bundled with the project, so the setup created by VS2008 writes it to the correct place during install. I didn't think I'd need to do anything unusual post install such that the ASP.NET application would have access. 2. When I've tried publishing this locally, I've not had any problems. - This is only on a test Windows 2003 server. 3. I've ran a simple page to understand the effective user of IIS - It is NT AUTHORITY\NETWORK SERVICE. I tried granting "Full Access" to this user to this file, and still it doesn't work.

在code打开它很简单：

The code to open it is simple:

FileStream fs = new FileStream(Server.mapPath(s), FileMode.Open);

其中S是定义为〜/ App_Data文件/ myfile.xml中

Where s is defined as '~/App_Data/myfile.xml

我甚至复制和粘贴的完整路径和放大器;文件名（从除外），并试图目录就可以了，这的确是present（避开例如错字）。

I've even copied and pasted the full path & filename (from the exception) and tried "dir" on it, and it is indeed present (to get around a typo for example).

我也试过根据一些建议，在那里ASPNET_REGIIS.EXE / s的运行。

I've also tried running aspnet_regiis.exe /s as per some suggestions out there.

这有我百思不得其解。

推荐答案

其实，我觉得我找到了。我需要打开文件如下：

Actually, I think I found it. I needed to open the file as follows:

新的FileStream（使用Server.Mappath（S），FileMode.Open，FileAccess.Read）;

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