System.UnauthorizedAccessException Loading File From Disk?

Mar 16, 2011

Really weird problem loading a file from disk:

string path = HttpContext.Current.Server.MapPath("~/Datasets/blob.xml");
FileStream stream = new FileStream(path, FileMode.Open);

Throws exception:An exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll but was not handled in user code

Additional information: Access to the path 'D:webrootafobDevv1.0.xAFOBDatasetslob.xml' is denied.

The strange thing is it was working 5 minutes ago. I checked permissions on the disk and both the Debugger and ASPNET have read/write rights as do I.

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