An attempt to attach an auto-named database for file failed. A database with the same name exists

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i have seen such as this topic many times and they told to put user instance true to pass this execption . when i execute my programme in visual studio ,almost every things is ok but when i build a setup for that and again execute ,this exeption appear ! what should i do?!?it is very important for me.

Posted 3-Mar-14 18:17pm

Farshad72

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Member 10510822 · Answer 1 · 2014-03-03T18:38:00

Solution 1

First one check that your folder is not read-only. It Worked for me. Second one again check your connection string. Also check User Instance=True
For more discussion please look the asp.net forum link:

http://forums.asp.net/t/879454.aspx?An+attempt+to+attach+an+auto+named+database+for+file+failed[^]

Thanks

Posted 3-Mar-14 18:38pm

Member 10510822

Comments

Farshad72 4-Mar-14 1:35am

it is installd in a drive that is not readonly and connection string is ok .

Farshad72 4-Mar-14 1:37am

it is not asp