Entity framework multiple connection strings
WebNov 15, 2011 · 1 Answer. Sorted by: 5. Yes it is possible but you cannot use EF connection string from configuration. You must built connection string manually in the application. ObjectContext supports multiple overloaded constructors. One of the is accepting EntityConnection. EntityConnection in turn can be constructed from MetadataWorkspace …
Entity framework multiple connection strings
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WebMay 7, 2024 · 3. I can show you two options of how to pass connection string via strongly typed Settings class loaded from appsettings.json. For both you just need to move your config settings to custom section from default ConnnectionStrings one and fully control your DB settings and passing them to you EntityFramework context. WebJan 8, 2024 · Now one observed issue with how the above context is configured in the original question is that there are now two connection strings for the same context. Trying to use multiple connection strings to work for the same context will cause problems as the framework would not know which option to use when requesting the context.
WebJun 12, 2024 · I'm working in a project using EntityFramework Core and .net core 2.0, which I need to connect to multiple databases to get data to execute a cron, I injected DbContext.cs in startup.cs like above:. services.AddDbContext(); I use it in my UnitOfWork.cs like this:. public class UnitOfWork : IUnitOfWork where … WebDec 1, 2013 · For example OP have multiple projects in solution, so the connection string must be in configuration file belongs to main executive project. Now, if you want to define connection string in your code, you can make fake connection string in configuration file and give your entity's instance new connection string:
WebAug 15, 2024 · You just create your migration and start your application. What you just need to do is after development, you switch the connection string in the Dependency Injection container. You don't need to run the Update Database command when you switch the connection string. You can also use Environment Variables. WebJan 28, 2024 · Then the context is typically configured in Startup.cs with the connection string being read from configuration. Note the GetConnectionString () method looks for a configuration value whose key is ConnectionStrings:. You need to import the Microsoft.Extensions.Configuration namespace to use this extension method.
WebJul 16, 2014 · Is there a way to make my Entity Framework constructor in the using block take a connection string? I'm using EF 6.1 right now and I can't find a way. ... This is easily changed so you can have multiple connection strings with several duplicate databases. When your model code is autogenerated you end up with a single connection DB …
WebMay 12, 2024 · This post was most recently updated on March 28th, 2024. Recently, while building an app service to host a .NET Core API, I had to … poulsbo wa white pages phone bookWebFeb 18, 2024 · Connection strings used by the Entity Framework contain information used to connect to the underlying ADO.NET data provider that supports the Entity … poulsbo wa to port townsend waWebIn Entity Framework Migrations, you can get the database version as a string using the DbContext class and the GetDatabaseName method.. Here's an example of how to do this: csharpusing (var context = new MyDbContext()) { var databaseVersion = context.Database.Connection.GetDatabaseName(); Console.WriteLine("Database … tournevis pas chereWebJun 30, 2024 · By default, the Entity Framework looks for a connection string named the same as the object context class (MovieDBContext for this project). For more information see SQL Server Connection Strings for ASP.NET Web Applications. Open the application root Web.config file shown below. (Not the Web.config file in the Views folder.) poulsbo wa tourismWebAug 2, 2011 · When you build a data context, here's how to programmatically change the connection string at runtime by modifying the Context.Connection property: //Get the connection string from app.config and assign it to sqlconnection string builder SqlConnectionStringBuilder sb = new … tournevis pour switchWeb22 hours ago · I am attempting to add role based identity to my ASP.NET 6 Core Web API project. I create my initial migration with Entity Framework. I then go to generate the roles table and it is not being generated correctly. I run this command. public class UsersContext : IdentityUserContext { public UsersContext () { } public UsersContext ... tournevis ratchetWebHere Add multiple database connection string --> after you have to modify ProcessContext.cs file one constructor to create default connection. public ProcessContext() :base("name=DefaultConnection"){ //here code } ... Entity Framework - change connection string at runtime (explanation needed) 2. tournevis rechargeable craftsman