An attempt to attach an auto-named database for file **** failed

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I added new database file in my solution's app_data folder in VS2008.

But when i tried to expand it from SERVER EXPLORER, i get this error

An attempt to attach an auto-named database for file ___ failed.

Find the screen shot of the error which occured in vs2008 IDE.

http://www.eggheadcafe.com/FileUpload/1619491694/Errordb.jpg[^]

What exactly the issue is?
And how to solve this

Posted 28-Nov-12 22:24pm

markand911

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Krunal Rohit · Answer 1 · 2012-11-28T22:32:00

Solution 1

Keep the database file in deployment folder.
or else
In you connection string just add the 'database=<database name="">'. This prevents SQL server to create the auto-named database.

Posted 28-Nov-12 22:32pm

Krunal Rohit

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markand911 29-Nov-12 4:41am

i right click on App_Data folder to add new database file(.mdb), but i failed and error comes "The file **** is on network path that is not supported for database files". AS i am not allowed to make database, how can i put that file in deployment folder