我需要一些帮助。我有两个解决方案需要给出相同的结果。其中一个工作很好,但另一个工作没有成功。复合键问题
public class Calculation
{
public int ClacID { get; set; }
public string CalcNumber { get; set; }
public string BillNumber { get; set; }
public DateTime BillDate { get; set; }
public DateTime CreateDate { get; set; }
public DateTime ModifiedDate { get; set; }
public bool IsDeleted { get; set; }
public Company Company { get; set; }
public int SupplierID { get; set; }
public int CompanyID { get; set; }
}
public class Company
{
public int CompanyID { get; set; }
public int? RegistrationNumber { get; set; }
public string CompanyName { get; set; }
public CompanyRegister CompanyRegister { get; set; }
public string OwnerFirstname { get; set; }
public string OwnerLastname { get; set; }
public string Address { get; set; }
public Place Place { get; set; }
public string Telefon { get; set; }
public string Telefax { get; set; }
public string Mobile { get; set; }
public string Email { get; set; }
public int? CompanyType { get; set; }
public int? UserId { get; set; }
public Users User { get; set; }
//References
public List<Calculation> CalculationList { get; set; }
public Company()
{
Place = new Place();
CompanyRegister = new CompanyRegister();
CalculationList = new List<Calculation>();
}
}
配置:
public class CalculationConfiguration : EntityTypeConfiguration<Calculation>
{
public CalculationConfiguration()
{
// Set Table
ToTable("Calculation");
// Primary
HasKey(p => p.ClacID);
//Foreign Keys
HasRequired<Company>(c => c.Company)
.WithMany(c => c.CalculationList)
.HasForeignKey(d => new { d.CompanyID, d.SupplierID });
//HasRequired<Company>(c => c.Company).WithMany(c => c.CalculationList).HasForeignKey(c => c.CompanyID);
//HasRequired<Company>(c => c.Company).WithMany(c => c.CalculationList).HasForeignKey(c => c.SupplierID);
//Map
Property(p => p.ClacID).HasColumnName("CalcID");
Property(p => p.CompanyID).HasColumnName("CompanyID");
Property(p => p.CalcNumber).HasColumnName("CalcNumber").HasMaxLength(10);
Property(p => p.SupplierID).HasColumnName("SupplierID");
Property(p => p.BillNumber).HasColumnName("BillNumber").HasMaxLength(100);
Property(p => p.BillDate).HasColumnName("BillDate");
Property(p => p.CreateDate).HasColumnName("CreateDate");
Property(p => p.ModifiedDate).HasColumnName("ModifiedDate");
Property(p => p.IsDeleted).HasColumnName("IsDeleted");
}
}
不起作用:
//Foreign Keys
HasRequired<Company>(c => c.Company)
.WithMany(c => c.CalculationList)
.HasForeignKey(d => new { d.CompanyID, d.SupplierID });
工作:
HasRequired<Company>(c => c.Company).WithMany(c => c.CalculationList).HasForeignKey(c => c.CompanyID);
HasRequired<Company>(c => c.Company).WithMany(c => c.CalculationList).HasForeignKey(c => c.SupplierID);
有人可以在世界告诉我。怎么了 ?
谢谢。 Zlaja
我编辑了自己的冠军。请不要包含有关问题标题中使用的语言的信息,除非在没有它的情况下没有意义。标签用于此目的。另请参阅[“应该在其标题中包含”标签“的问题?”](http://meta.stackoverflow.com/q/19190/193440),其中的共识是“不,他们不应该 – chridam
什么” 't work'意思是 - 你得到了什么错误/不好的结果? –
嗨,我想要添加到db的异常 在EntityFramework中发生了一个'System.Data.Entity.ModelConfiguration.ModelValidationException'类型的未处理异常。 dll的 其他信息:模型生成期间检测到一个或多个验证错误: DataAccess.Logging:的EntityType“记录”不具有确定的键定义此的EntityType关键 – user3748491