Execute permission cannot be acquired?

I have an assembly which uses file I/O to stream in some text based reports
into a container in a report. I have set the FileIOPermissionAttribute and
it works in the design environment but when I deploy the dll to the report
server it only works on that box. If I try to run it through the preview
window I get the following error: "Execute permission cannot be acquired"
Anybody help?Did you get this resolved? Assuming that the security policies are updated
correctly and you assert the FileIOPermission in the custom assembly, it
could be a file system permission issue. Basically, the executing user does
not have permissions to access the file. Check the NTFS permissions on the
file.
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"Brian" <Brian@.discussions.microsoft.com> wrote in message
news:3FA6A470-1E7D-421D-AF3E-226ADAC397D9@.microsoft.com...
> I have an assembly which uses file I/O to stream in some text based
reports
> into a container in a report. I have set the FileIOPermissionAttribute
and
> it works in the design environment but when I deploy the dll to the report
> server it only works on that box. If I try to run it through the preview
> window I get the following error: "Execute permission cannot be acquired"
> Anybody help?
>