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#ICONSOLE APPLICATION EXAMPLES CODE#

In the Terminal, type the following command: dotnet ef migrations add LimitStrings

#ICONSOLE APPLICATION EXAMPLES CODE#

Next, add a new file named Author.cs and add the following code to it: using If you don't place your context class in a namespace and you are working with EF Core versions prior to 2.1, you may come up against this bug - now fixed in 2.1 when adding your migration. Protected override void OnConfiguring(DbContextOptionsBuilder The model, particularly the DbContext class, is declared inside a namespace.

Public class EFCoreDemoContext : DbContext This results in a minimal console application:Īdd a new file named EFCoreDemoContext.cs and add the following code to it: using Microsoft.EntityFrameworkCore This should result in the initial help for the EF tools being displayed:įinally build and run the application with the single command: > dotnet run This may not have been added automatically: įinally, run the following command to restore the packages and then test to see that the ef commands are available to the project: > dotnet restore csproj file to include the following additional is added to the project.

adds the Entity FrameworkCore and EF Core tooling packages from Nuget to the project.

Press Ctrl + ' to open a new Terminal window and then type the following commands: > dotnet new console You can use the Terminal that's integrated into Visual Studio Code for this.Ĭreate a folder named EFCoreDemo and then open it in Visual Studio Code. Alternatively, you can use a command line tool to create and build the project. Net Core (2017 or greater), you can use the project templates to create a new. If you have a version of Visual Studio that supports. Visual Studio Code will be used in this example. Net Core SDK installed and that you have a suitable development environment/text editor. This walkthrough demonstrates the minimum required to create a database using Entity Framework Core in a.

Database First And Entity Framework Core.

Many To Many Relationship Configuration.