我正在开始使用EF内核的新项目。 我有一个MSSQL服务器上的现有数据库,我运行此命令以包含其EF结构。SqlException:无效的对象名称
Scaffold-DbContext "Server={My Server};Database={My DB};Trusted_Connection=True;" Microsoft.EntityFrameworkCore.SqlServer
这已经创造了我的模型类,如:
public partial class Cameras
{
public int CameraId { get; set; }
public string Description { get; set; }
}
和下面的上下文类:
public partial class SetupToolContext : DbContext
{
public virtual DbSet<Cameras> Cameras { get; set; }
public SetupToolContext(DbContextOptions<SetupToolContext> options) : base(options)
{ }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<Cameras>(entity =>
{
entity.HasKey(e => e.CameraId)
.HasName("PK_Cameras");
entity.Property(e => e.Description).HasColumnType("varchar(500)");
});
}
}
我有4层,在我的解决方案:
- BusinessLogic
- DAL
- 接口(依赖注入)
- API(控制器)
这里是流动的样子在我的代码:
Controller类
public class ValuesController : Controller
{
ICameraRepository cameraRepository;
public ValuesController(ICameraRepository cameraRepository)
{
this.cameraRepository = cameraRepository;
}
[HttpGet]
public IEnumerable<Cameras> Get()
{
//ERROR: "Invalid object name 'Cameras'."
return cameraRepository.List();
}
}
CameraRepository类
public class CamerasRepository : GenericRepository<Cameras>, ICameraRepository
{
private readonly SetupToolContext dbContext;
public CamerasRepository(SetupToolContext dbContext) : base(dbContext)
{
this.dbContext = dbContext;
}
}
public interface ICameraRepository : IRepository<Cameras>
{ }
GenericRepository类(尝试,并按照Repository Pattern)
public class GenericRepository<T> : IRepository<T> where T : class
{
private readonly SetupToolContext dbContext;
public GenericRepository(SetupToolContext dbContext)
{
this.dbContext = dbContext;
}
public IEnumerable<T> List()
{
return dbContext.Set<T>().AsEnumerable();
}
}
public interface IRepository<T>
{
IEnumerable<T> List();
}
和启动类ConfigureServices方法
public void ConfigureServices(IServiceCollection services)
{
services.AddDbContext<SetupToolContext>(options => options.UseSqlServer(Configuration.GetConnectionString("SQLServerConnection")));
services.AddMvc();
services.AddScoped<ICameraRepository, CamerasRepository>();
}
的问题是,我得到一个错误:"Invalid object name 'Cameras'."
数据库中表的名称是什么?它是“相机”吗? – silkfire
名称是“相机”。它是由'Scaffold-DbContext'命令自动生成的。 –
摄像头的名称是由EF自动生成的,但表名是什么?只是为了确认..是相机吗?因为这似乎是问题所在。 – jpgrassi