How do I use Entity Framework in an ASP.NET Core application?

How do I use Entity Framework in an ASP.NET Core application?

To use Entity Framework in an ASP.NET Core application, you first need to install the necessary NuGet packages. You can do this via the Package Manager Console or by editing your .csproj file.

What packages do I need to install?

You need to install Microsoft.EntityFrameworkCore and Microsoft.EntityFrameworkCore.SqlServer if you're using SQL Server. You can also install Microsoft.EntityFrameworkCore.Tools for additional tooling support.

How do I configure the DbContext?

You can configure the DbContext in the Startup.cs file by adding it to the service container in the ConfigureServices method using services.AddDbContext<YourDbContext>(options => options.UseSqlServer(Configuration.GetConnectionString("DefaultConnection")));.

Can you show me an example of a DbContext class?

Sure! Here's a simple example:

public class YourDbContext : DbContext
{
    public YourDbContext(DbContextOptions<YourDbContext> options) : base(options) {}

    public DbSet<YourEntity> YourEntities { get; set; }
}