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Cannot Attach The File As Database Localdb

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Join them; it only takes a minute: Sign up Delete .mdf file from app_data causes exception cannot attach the file as database up vote 42 down vote favorite 21 I am The content you requested has been removed. How can I prove its value? Privacy Statement| Terms of Use| Contact Us| Advertise With Us| CMS by Umbraco| Hosted on Microsoft Azure Feedback on ASP.NET| File Bugs| Support Lifecycle The Data Farm Julie Lerman's World of have a peek at this web-site

I manually deleted files from App_Data folder, and the next time I started the application or tried to execute update-database command, I got an error message saying 'Cannot attach the file Add comments to a python script and make it a bilingual python/C++ “program” Word for "using technology inappropriately"? hét | d/fuel on Visual Studio Code Snippets to Make Coding EF Core a Little SimplerJulie Lerman on Using EF 4.3 Code First Migrations with an Existing Databasesevil on Using EF Word for "using technology inappropriately"?

System.data.sqlclient.sqlexception: Cannot Attach The File

SSOE covers many (not all) common tasks…and many more than VS’s Server Explorer let’s you do. share|improve this answer edited Apr 5 '13 at 11:05 answered Apr 5 '13 at 11:00 JSobell 1,510185 32 Let me kiss you! –Dabblernl Apr 26 '13 at 18:17 Angular.js templates inside Visual Studio: SideWaf...

See the section on Initial Catalog in this MSDN page: http://msdn.microsoft.com/en-us/library/jj653752.aspx#initialcatalog share|improve this answer answered Oct 22 '12 at 16:01 tdykstra 3,92411016 1 I guess you are right, since i April 16, 2016 at 7:14 PM Post a Comment Newer Post Older Post Home Subscribe to: Post Comments (Atom) My Windows Store apps POW! PM> PM> sqllocaldb.exe delete v11.0 LocalDB instance "v11.0" deleted. An Attempt To Attach An Auto-named Database For File Problem In one of the project I was using LocalDB and EntityFramework's Code First approach.

So I deleted it again from SQL Object Explorer, and ran "update-database" - it ran successfully this time. Cannot Attach The File Defaultconnection Mdf As Database Defaultconnection Reply Ongezwa Member 14 Points 9 Posts Re: Cannot attach the file *.mdf as database Jul 29, 2015 03:52 PM|Ongezwa|LINK Veezy try renaming your database and run the update database command However, your answer worked for me perfectly. pop over to these guys DataException->EntityException->SqlException: Cannot attach the file ‘{0}' as database '{1}' I did delete the DB file and now I get that nasty error message when running the application expecting it to use

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Cannot Attach The File Defaultconnection Mdf As Database Defaultconnection

Over and over and over again. pop over to these guys Is this a bug??? System.data.sqlclient.sqlexception: Cannot Attach The File Depalindromize this string! Cannot Attach File As Database Because This Database Name Is Already Attached With File There is essentially a local database retained of where the files should be, and if you want to delete the database files make sure you remove them from this explorer utility,

SOLUTION Until I stumbled on "SQL Server Object Explorer" under "VIEW" in your VS Studio 2012 top menu/toolbar. Check This Out So lesson learned: when one need to delete/recreate a database, do not delete the mdf file from App_Data, but instead go to "SQL Server Object Explorer" and find your database under Solved my issue –Tseng May 10 '14 at 18:44 3 only needed to do the first two steps (stop and delete) to resolve my issue –JonAlb May 24 '14 at Teenage daughter refusing to go to school Without opening the PHB, is there a way to know if it's a particular printing? Error Number:1832,state:1,class:14

or tell me any other guidance… would really appreciate help Reply @rafapefgmail says: March 20, 2013 at 7:07 am Great tips, I had the same issue. =) Reply ALex says: April Thanks this saved me much frustration. I almost resort to think that "Code-First" is a lie - that I simply have to add the new tables manually in the SQL table designer, etc. Source sql-server asp.net-mvc visual-studio-2012 entity-framework-5 localdb share|improve this question edited Nov 15 '15 at 15:37 Md.

The files get created. |datadirectory| share|improve this answer answered Sep 30 '13 at 17:53 RickAndMSFT 5,22412645 add a comment| up vote 2 down vote The best and easy answer I just solved it now, Just use Reply mostafasydne...

So, I can't try out the accepted answer.

at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, The confusing thing is, I also got this error if something else was wrong. April 4, 2016 at 3:41 PM Anonymous said... Cannot Open Database Requested By The Login. The Login Failed. Login Failed For User In short the issue is that after deleting the .mdf file, the following exception is thrown when I try to access the DB using EF 5.0.

I went to the recycle bin, restore the mdf file and ran the project again - it worked. What now? This should probably be the answer. –Matt West Aug 25 '15 at 20:48 3 Wait . have a peek here January 26, 2016 at 5:05 AM Jules Wensley said...

iptables not dropping by IP and port? Contributor 4417 Points 1266 Posts Re: Cannot attach the file *.mdf as database Jul 29, 2015 04:02 PM|mostafasydney|LINK Delete the existing .mdf file and create a new one try again. share|improve this answer answered Nov 24 '13 at 16:05 Davide Icardi 5,75633045 5 Removing the "Initial Catalog" portion from the connection string resolved this issue for me. –Tim Friesen Nov Go to View / SQL Server Object Explorer and delete the database from the (localdb)\v11.0 subnode!

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