Configure database connection settings in ASP.NET Core When you create a new ASP.NET Core project in Visual Studio, the appsettings.json file is created by default.

Use custom-built .NET Framework 4.0 classes to connect an ASP.NET Web application to a SQL Server 2012 database.

Use custom-built .NET 4.0 classes to connect an application to a SQL Server 2012 database.

Entity Framework Core allows you to store and retrieve data to and from an in-memory database. It’s a quick and easy way to test your ASP.NET Core 6 web applications.