Recently I was working on simple ASP.NET website that had to update Access Database. Everything was fine during development when I was using ASP.NET Development Server created by Visual Studio. Later when I connected with Internet browser to http://localhost/mywebsite/Default.aspx I started getting two kind of unhandled exceptions on Database insert and update.
| Microsoft JET Database Engine error '80004005' The Microsoft Jet database engine cannot open the file 'C:\DB\YourDatabase.mdb'. It is already opened exclusively by another user, or you need permission to view its data. |
or this one
| Microsoft JET Database Engine error '80004005' Operation must use an updateable query. |
After looking on the internet I found a couple of links that shed some light on this problem.
How Do I Fix ASP 80004005 errors? - Imar.Spaanjaars.Com
I tried to fix a problem by following instructions on these pages, unfortunately adding permission for IUSR_MyComputerName system user to access DB folder did not make a difference. The quick and easy (and NOT RECOMMENDED for production installation) solution is to add Everyone to access to DB folder and write to database. I want to repeat that this is not a good solution for security reasons, my preference is to try to change an account under which IIS service is running. I will post my solution later once I get it working.
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