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试图运行我的MVC应用程序EF CodeFirst - 不能创建数据库
Introducing FOREIGN KEY constraint 'FK_dbo.Passages_dbo.Localizations_ToID' on table 'Passages' may cause cycles or multiple cascade paths. Specify ON DELETE NO ACTION or ON UPDATE NO ACTION, or modify other FOREIGN KEY constraints.
Could not create constraint or index. See previous errors'
I`ve看到很多帖子我得到的错误,但我无法得到我应该怎么办。 有我的模型:
public class Passage
{
[Key]
public int ID { get; set; }
public int FromID { get; set; }
[ForeignKey("FromID")]
public Localization FromLocalizaton { get; set; }
public int ToID { get; set; }
[ForeignKey("ToID")]
public Localization ToLocalization { get; set; }
public DateTime DepartureTime { get; set; }
public DateTime ArrivalTime { get; set; }
public DateTime? AdditionalTime { get; set; }
public bool Weekend { get; set; }
public int Seats { get; set; }
}
public class Localization
{
[Key]
public int ID { get; set; }
public string Province { get; set; }
public string City { get; set; }
public string PostalCode { get; set; }
public string StreetAdres { get; set; }
}
通道有两个外键是指具有一一对应的关系