namespace MyNamespace { public interface ICarDal { void Add(Car car); // adds a new car to the storage mechanism } }
using System.Data.Entity; namespace MyNamespace { public class SqlCarDal : ICarDal { private readonly DbContext dbContext; public SqlCarDal(DbContext dbContext) { this.dbContext = dbContext; } public void Add(Car car) { this.dbContext.SetIn this implementation, we use Entity Framework to access a SQL database. When the `Add` method is called, we add the `car` object to the `DbContext` and call the `SaveChanges` method to commit the changes to the database. The package library used for this example implementation is Entity Framework, which is available through the NuGet package manager.().Add(car); this.dbContext.SaveChanges(); } } }