Trouble accessing network share from asp.net web form

I have an asp.net webform which will display a PDF file. This pdf is stored on a network share on another server. The share has read permissions for everyone.

When I try to reference like \\server\sharename\file.pdf I get the following error:

Server Error in '/NCLWeb' Application.

HTTP Error 400 - Bad Request.

I've also tried variation with "file://" in front, and reversing the slashes. What am I doing wrong?

How should I properly reference this?

EDIT: I am testing the code using Visual Studio's built in development server. Code usage includes:

Response.Redirect(@\\server\sharename\file.pdf开发者_运维技巧);

ShowPdf1.FilePath = @\\server\sharename\file.pdf;

Where ShowPdf1 is a control which I've used to display pdf's in a browser before.

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I doubt that folder is a Virtual Directory. If you want to access any shared folder from your application you need to make a Virtual Directory of that Folder.

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Asp.net worker process needs permission to read network resources

check out article on code project(it was written in 2007) but it has basics written down step by step. http://www.codeproject.com/KB/aspnet/UNC__Access_Network_file.aspx

here is KB from microsoft http://support.microsoft.com/kb/207671

hope it helps