实体框架无效的列名称，EF将数字1添加到主键 [英] Entity framework Invalid Column name, EF adds number 1 to primary key

问题描述

我有这两个实体：

public partial class Suscriptores
{
    public Suscriptores()
    {
       this.Publicacion = new HashSet<Publicacion>();
    }

    [Key]
    public int IdSuscriptor { get; set; }
    public string LogoSuscriptor { get; set; }
    public string Identificacion { get; set; }
    public string Nombre { get; set; }
    public string Direccion { get; set; }
    public string Telefono { get; set; }
    public string Email { get; set; }
    public string Fax { get; set; }
    public string Home { get; set; }

    public virtual ICollection<Publicacion> Publicacion { get; set; }
}

public partial class Publicacion
{
    public Publicacion()
    {
        this.Edictos = new HashSet<Edictos>();
    }

    [Key]
    public decimal IdPublicacion { get; set; }
    public System.DateTime FechaPublicacion { get; set; }
    public string IdUsuario { get; set; }
    public System.DateTime FechaPublicacionHasta { get; set; }
    public System.DateTime FechaArchivoHasta { get; set; }
    public int IdSuscriptor { get; set; }
    public decimal IdTipoPublicacion { get; set; }

    [ForeignKey("IdSuscriptor")]
    public virtual Suscriptores Suscriptores { get; set; }
}

当我尝试运行此查询时：

When I try to run this query:

public ActionResult DetailsVSTO(string Identificacion)
{
    var SusQ = from s in db.Suscriptores
               where s.Identificacion == Identificacion
               select s;

    return Json(SusQ.First(), JsonRequestBehavior.AllowGet);
}

它抛出此消息：

System.Data.SqlClient.SqlException：无效的列名'Suscriptores_IdSuscriptor1'

System.Data.SqlClient.SqlException: Invalid column name 'Suscriptores_IdSuscriptor1'

为解决此问题，我在DBContext上添加了以下流利的API代码：

Trying to solve this problem, I added this fluent API code at DBContext:

modelBuilder.Entity<Suscriptores>()
    .HasMany(x => x.Publicacion)
    .WithRequired(x => x.Suscriptores)
    .Map(a => a.MapKey("IdSuscriptor"));

但是问题仍然存在。我该如何解决呢？

But the problem persists. How can I solve this?

推荐答案

也尝试添加多对一映射。请使用纯Fluent API，并且应删除[ForeignKey]批注。

Try add a many-to-one mapping as well. Please use pure Fluent API, and you should remove the [ForeignKey] annotations.

modelBuilder.Entity<Publicacion>()
            .HasRequired(x => x.Suscriptores)
            .WithMany(x => x.Publicacion);

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