Cannot attach the file mdf as database c#

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 WebJun 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. …

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WebOct 29, 2024 · Cannot attach the file .mdf as database in multiple projects. Domain: Class Library - Responsible for access to Db (EF), Entities, repository etc. MVCStore: ASP.NET MVC app - uses Domain in reference to retrieve the data from the database. In Domain / web.config also in MVCStore / web.config no connection string is defined. 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 ... dave fry cooper https://cedarconstructionco.com

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

WebDon'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 … WebApr 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. 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. dave fry marshall mi

c# - Cannot attach the file

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Cannot attach the file mdf as database c#

[Solved] Cannot attach the file *.mdf as database 9to5Answer

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. 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 …

Cannot attach the file mdf as database c#

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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 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

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 …

WebHow to connect access database in c#; Cannot attach the file *.mdf as database; Convert string to hex-string in C#; Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0; How to change TextBox's Background color? How to make a copy of an object in C#; asp.net mvc … 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.

WebApr 29, 2014 · Cannot attach the file 'D:\Visual Studio\MyProject\MyProject\App_Data\MyProject.Models.MyProjectContext.mdf' as database 'MyProject.Models.MyProjectContext'. I attempted to turn off automatic migrations, re-run the "enable-migrations" command, and attempted hard-coding the path to store … dave ft burna boyWebFeb 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. dave fryer perthWebMar 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' ) … black and green candy buffetWebJan 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. dave frost automotive culver cityWeb1 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'. dave from top boyWebJul 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. dave frost player agentWebJun 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. black and green butterfly meaning