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我开发asp.net MVC3应用程序,我有以下实体复合键和外键
这个实体具有复合键(CreditRegistryId和Accoubnt号是主键)。 CreditRegistryId也是一个外键。我如何制作复合键和外键。我使用EF 4.1中的DbContext API。我不使用EDMX(ORM设计师)
[Table("tbaAccount")]
public class Account
{
[Column(Name="Creditor Registry ID")] // PK FK
public int CreditRegistryId {get;set;}
[Column(Name = "[Account No]")] //PK
public int AccountNo { get; set; }
[Column(Name = "[Date Opened]")]
public DateTime DateOpened { get; set; }
[ForeignKey("tblAccountStatus")]
[Required]
[Column(Name = "Account Status ID")] // FK
public int AccountStatusId { get; set; }
[Required]
[Column(Name = "Date First Reported")]
public DateTime DateFirstReported { get; set; }
[Required]
[Column(Name = "Credit Limit")]
public double CreditLimit { get; set; }
[Required]
public double Balance { get; set; }
}
和其他实体可以说是
public class CreditRegistry
{
public int CreditRegistryId {get;set;}
}