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Cannot Attach The File Mdf As Database

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I opened up the solution, right clicked on the App_Data folder and choose Add -> New item… Posted by Bart Wullems at 7:08 PM Labels: .NET, ASP.NET, ASP.NET MVC, C#, Entity However when I ran the application, I ended up with the following error message: {"Cannot attach the file 'C:\\Projects\\SampleApp\\App_Data\\sample.mdf' as database 'sample'."} Looking at my connection string data inside my web.config, This allows to share projects with many devs without setting up IIS or SQL Server for each individual user. –Bart Verkoeijen Nov 17 '13 at 10:03 add a comment| up vote This should have saved me some time. Source

Does every interesting photograph have a story to tell? Exception Details:System.Data.SqlClient.SqlException: Cannot attach the file 'C:\Users\Viên\Desktop\SmartStore\SmartStore\App_Data\SmartStore.mdf' as database 'SmartStore'. Why are password boxes always blanked out when other sensitive data isn't? share|improve this answer answered Jun 28 '14 at 19:03 Nidhin 264 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign

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

Of course it uses DropCreateDatabaseIfModelChanges There is only one case, when it gets troubled: IF the mdf is auto-created and you delete the mdf and log file. You can post this on SQL Server forum or submit this problem to Microsoft Connect: http://connect.microsoft.com/SQLServer Best Regards,Alexander Sun [MSFT] MSDN Community Support | Feedback to us Marked as answer by If you choose to participate, the online survey will be presented to you when you leave the Msdn Web site.Would you like to participate? Browse other questions tagged asp.net-mvc entity-framework ef-code-first or ask your own question.

Developer Network Developer Network Developer :CreateViewProfileText: Sign in MSDN subscriptions Get tools Downloads Visual Studio MSDN subscription access SDKs Trial software Free downloads Office resources SharePoint Server 2013 resources SQL Server My main interests are enterprise search, software architecture, Clean Code, and agile software development. I just tried it and the v11.0 gets automatically recreated and all mdfs stay available. An Attempt To Attach An Auto-named Database For File Finally I ran CodingWithSpike's same commands from Package Manager Console and that worked.

You will face a reinstall, since you don't have access to a lot of the tools to remedy the situation. –DarkNeuron Jun 23 '13 at 1:48 add a comment| up vote Cannot Attach The File Defaultconnection Mdf As Database Defaultconnection My answer really isn't a solution but rather a workaround, it just tells that you don't have to stick to LocalDb. –Shimmy Nov 10 '12 at 16:36 From the because DataDirectory is already set to the local App_Data by default, so unless explicitly changed before, your code does nothing. –Shimmy May 23 '13 at 4:55 IF you go Assigning a unique representation to equivalent circular queues In a company crossing multiple timezones, is it rude to send a co-worker a work email in the middle of the night?

Join them; it only takes a minute: Sign up Cannot attach the file *.mdf as database up vote 32 down vote favorite 7 Basically I've followed a tutorial and decided to Attachdbfilename For anyone who really wants to understand what's going on in EF (and I am still not sure if I do :-) ) http://odetocode.com/Blogs/scott/archive/2012/08/14/a-troubleshooting-guide-for-entity-framework-connections-amp-migrations.aspx P.S.: Nudge me if you need the What is exactly meant by a "data set"? I suggest to use: I think that local db doesn't support multiple database on the same mdf file so specify an initial catalog is

Cannot Attach The File Defaultconnection Mdf As Database Defaultconnection

Sometimes it fixes it by deleting DB. https://forums.asp.net/t/2061083.aspx?Cannot+attach+the+file+mdf+as+database In the SS Management Studio 'Connect' dialog box enter server name: np:\.\pipe\LOCALDB#12345678\tsql\query auth: Windows auth user name: (same as Owner, it is grayed out for Win. System.data.sqlclient.sqlexception: Cannot Attach The File I tried renaming the AttachDBFileName and InitialCatalog and neither worked. –ᴉʞuǝ Jul 12 '14 at 3:24 | show 6 more comments up vote 4 down vote Try deleting it again from Cannot Attach File As Database Because This Database Name Is Already Attached With File I didn't have the (localdb)\v11.0 subnode from the accepted answer and I couldn't remove the references from the SQL Management Studio, so hurray for you! –Santux Jul 31 '13 at 11:33

share|improve this answer answered Oct 21 '12 at 19:38 Vijayant Katyal 3761519 Thank you, but your suggesion doesnt solve my problem. –Shlo Oct 21 '12 at 19:47 add a this contact form Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies If YES, the problem is somewhere in the abyss of VS2013 config and versioning and nuget and stuff. How do I generate an mdf file? –John Mayer Jun 9 '13 at 18:48 @rene There are no mdf file at all. Error Number:1832,state:1,class:14

Your ID:806 419 395 Password:123456 Thanks for your help!! You can do this from the command line. 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 have a peek here Why did the best potions master have greasy hair?

So my suggestion is, if you want to make sure your DB-Setup is sound and solid: Create a new solution/project from scratch, use the most basic DB commands (Add an entity, |datadirectory| 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 The content you requested has been removed.

The underlying provider failed on Open Cannot attach the file 0 SQL Server LocalDB simply failing to create DB 0 Cannot attach the file “.mdf” as database “aspnet-” 3 ASP.net unable

Can I switch from past tense to present tense in an epilogue? What did John Templeton mean when he said that the four most dangerous words in investing are: ‘this time it’s different'? How can tilting a N64 cartridge cause such subtle glitches? Cannot Open Database Requested By The Login. The Login Failed. Login Failed For User Why is this C++ code faster than my hand-written assembly for testing the Collatz conjecture?

Why are password boxes always blanked out when other sensitive data isn't? Is this a bug??? auth.) Once connected, find the phantom DB which you deleted (e.g. Check This Out All rights reserved.

Use Hangfire to schedule jobs in ASP.NET Team based vs Project based Angular.js 1.3: bindToController Woops! thank you. –Shlo Oct 28 '12 at 14:56 2 Don't ever delete the mdf files manually if you are using Visual Studio Express. Use JavaScript to write Macros in Visual Studio LocalDb error: Cannot attach the file ‘sample.mdf'... ► November (15) ► October (20) ► September (21) ► August (16) ► July (19) ► PM> sqllocaldb.exe start v11.0 LocalDB instance "v11.0" started.

Does sputtering butter mean that water is present? 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 Aha! 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