create and modify folders from code behind in ASP.NET

Question

I am trying to give the ability of creating image galleries for each ASP.Net user, where:

All folders are under a specific sub folder ~\uploads

Each gallery will have a specific folder named by the GalleryID.

Each folder should be modifiable by the admin or the user who created it only.

In code behind i used:

        Dim GPath As String = _
        System.IO.Path.Combine("~\Uploads\", GetGalleryID()))
        System.IO.Directory.CreateDirectory(GPath)

This code throws:

Access to the path '~\Uploads\22' is denied.

a suggested solution Here says :

Grant permission to create directories and files (read/write/modify/...) to the worker process group (sysname\iis_wpg) to the parent directory.

I am using IIS 7.5 under Windows server 2003 and i couldn't find the iis_wpg? I've applied the solution on IIS_IUSERS but it doesn't seem to be working.

Any Solution?

Claudio Redi · Accepted Answer · 2013-08-22 13:18:16Z

3

Your problem is that ~\Uploads\ is a url. You need to map that into a physical path on server file system. Use Server.MapPath for this

Dim GFolder As String = Server.MapPath("~\Uploads\")
Dim GPath As String = System.IO.Path.Combine(GFolder, GetGalleryID()))

answered Aug 22, 2013 at 13:18

Claudio Redi

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1 Comment

Alaa Alweish Over a year ago

Correct! I don't know how i missed that, iis_wpg confused me. Thanks.

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