Cannot attach the file mdf as database c#

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August undefined, 2024

WebAn attempt to attach an auto-named database for file c:\c#\Database\MMABooks.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.. i dont know what to do . 4. Update the generated DB context code so the connection string is retrieved from an application configuration file. WebJul 5, 2024 · Cannot attach the file *.mdf as database 115,225 Solution 1 Take a look at this: Entity Framework don't create database I would try giving the database a different name. Sometimes you can run into problems with SQL Express when trying to create a database with the same name a second time.

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WebHow to take MySQL database backup using MySQL Workbench? Enable binary mode while restoring a Database from an SQL dump; Cannot attach the file *.mdf as database; Insert data into hive table; Createuser: could not connect to database postgres: FATAL: role "tom" does not exist; Safely remove migration In Laravel; Inserting data to table (mysqli ... WebFeb 4, 2013 · Answers. 1. Sign in to vote. Normally SQL Server 2008 has its databases at C:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL. Place you *.mdf there. Then use SSMS to attach the database permanently. After that check the database properties. Check especially the AutoClose property. mayor of butte mt 1946

c# - Database file not copied during publishing so installed ...

WebNov 27, 2008 · This forum is closed. Thank you for your contributions. Sign in. Microsoft.com WebJul 31, 2024 · Here you use the syntax to connect to localdb, where .mdf is not attached and you attach it when you connect to localdb Of course when you try to CREATE DATABASE FOR ATTACH it fails because the database already exists. So your connection string N2 is wrong: if you use localdb, you attach .mdf just before you use it. WebMar 27, 2024 · 3. There are two options to do this: When you attach the mdf file, in the bottom pane, choose the LDF file and remove it and choose OK. The database will be attached. Reference. You can use TSQL to attach database. USE [master] GO CREATE DATABASE [PR] ON ( FILENAME = N'C:\Users\Public\Documents\Databases\PR.mdf' ) … mayor of butte mt 1937

Cannot attach database file - In use error message

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WebSep 1, 2016 · The first you should find out your service account of sqlserver,you can see it in Task Manager when you press ctrl+alt+delete at the same time;Then,you must give the read/write privilege of "C:\Murach\SQL Server 2008\Databases" to the service account. Share Improve this answer Follow answered Sep 1, 2016 at 7:26 KJV111 29 10 WebFor some reason the .mdf file was not synced into Debug; My workaround: Copy the .mdf and .ldf file to a temp folder ; Make a connection for it in vs/server explorer ; When you add the ADO.NET use the new connection; VS offers to copy the .mdf file into the project folder, accept it ; Now the .mdf file will appear in the debug folder as well mayor of butte mt 1939WebI manually (through SQL commands) created a database and placed MDF/LDF files in a project subdirectory, a situation similar to: MySolution\src\MyProject\MyLocalData\ - MyLocalDb.mdf - MyLocalDb_log.ldf This is the value of "ConnectionString" key set in appsettings.json (or at least, one of the many I tried): heryeronline

"WebJul 21, 2009 · This is necessary because SQL Server manages the locking of the database data in its memory. Thus, if more than one SQL Server instance has the same file open, there is the potential for data corruption. If two different user instances use the same database file, one instance must close the file before the other instance can open it. " - Cannot attach the file mdf as database c#

Cannot attach the file mdf as database c#

c# - Exception when code first tried to create database - Stack Overflow

WebJan 29, 2015 · If you delete an MDF file (as I did and subsequent) attempts to create MDF fail (Cannot Attach File error). This is because the connection is cached while Visual Studio is open. Renaming your DbContext creates a new … WebDec 12, 2014 · CREATE DATABASE permission denied in database master. Cannot attach the file "...Database.mdf" as database file "Database". What I've tried: deletion my database using SQL SERVER Object explorer(no results, the same error) change connection string (no result, the same error) googled in the Internet.

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WebI can replicate it by doing the following: Create the MVC app in the VS wizard. Run the app for the first time and go to the login page (note the mdf file now gets generated). Delete the mdf file, and go back to the login page. The exception is now thrown. c# asp.net-mvc entity-framework entity-framework-4 ef-code-first Share Improve this question WebJun 9, 2013 · 131. I think that for SQL Server Local Db you shouldn't use the Initial Catalog property. I suggest to use: WebNov 10, 2015 · The connections will still query the same database. Now modify your connection string name in the Dependency.Start parameter to be your the name of the connection string you just created: SqlDependency.Start (ConfigurationManager.ConnectionStrings …

Web1 i am trying to connect to mysql database and i have follow the correct steps for using it into ASP.NET, but when running the web app the following error apears: Cannot attach the file 'C:...\DefaultConnection.mdf' as database 'DefaultConnection'. WebApr 10, 2013 · Here are some easy steps that are very helpful to you to attach SQL MDF file through SQL Server Management Studio. Go through Start Button->All Programs->SQL Server XXXX->SQL Server Management Studio Login in it Select Object Explorer enlisted databases Then Right click on it and Select Attach database

WebIf the file does not exist, you may need to restore the database from a backup or create a new database. Check file permissions: Ensure that the SQL Server service account has sufficient permissions to access the .mdf file. The account should have read and write permissions to the file and its parent directory. WebJun 9, 2024 · No, those are the data files. An SQL Server database has at minimum two files: one .mdf file and one .ldf file. (Well, SQL Server does not really care about the file extensions, but they are the expected ones.) The .mdf file is the primary data file, where as the .ldf file is the transaction log.

WebDec 18, 2016 · var commandText = string.Format (@" USE MASTER; ALTER DATABASE {0} SET OFFLINE WITH ROLLBACK IMMEDIATE; EXEC sp_detach_db ' {0}', 'true';", "db1"); The second parameter to sp_detach_db just avoids statistics update (would be faster) You can now safely move the mdf and ldf files from their original location

mayor of byhalia mississippiWeb1 Answer Sorted by: 3 You can try the following (one by one): Deleting DB in SSMS Kill IIS Run the following commands via the package manager console: sqllocaldb.exe stop v11.0 (or 12.0?) sqllocaldb.exe delete v11.0 Share Improve this answer Follow answered Dec 18, 2015 at 9:19 Jorik Uiterwijk 61 3 Add a comment Your Answer her y gifWebApr 9, 2013 · Sorted by: 1 Check the following 3 things: Make sure your MDF file was created by the same or older version of SQL Server than the one installed on the target machine. Make sure that the SQL Server on target machine doesn't already have a database with the same name. her y gymunedWebJan 18, 2014 · If this happens you can un-register it by using the object explorer. Go to Server Explorer > data connections, find the db and delete it from there. Visual studio will then re-create the db next time without an issue. I learnt about this from a video by Scott Allen but he's also documented it here. her yerde sen english subtitles dailymotionWebDon't get the request stream, quite simply. GET requests don't usually have bodies (even though it's not technically prohibited by HTTP) and WebRequest doesn't support it - but that's what calling GetRequestStream is for, providing body data for the request.. Given that you're trying to read from the stream, it looks to me like you actually want to get the … her y hersWebOct 8, 2012 · 3 Answers. As it's mentioned by Mostafa you should go to Tools->Options->Database Tools->Data Connections->SQL Server Instance Name and blank the SQLEXPRESS in that field. actually there is no need for instance name just blank it. Welcome to the site, but this doesn't really add anything to the existing answers. hery franckWebJun 19, 2024 · I've also tried moving my MDF to users folder and connect using this connection string: Data Source=(LocalDB)\MSSQLLocalDB;DataBase=Northwind;Integrated Security=True;Connect Timeout=30" However this doesn't seem to work as well, it throws an exception. SqlException: Cannot open database "Northwind" requested by the login. … heryet