[英]Entity Framework is trying to save the Foreign key tables along with the entity save. How to prevent that?
当我按以下方式保存belwo CounterpartyFrequency实体时,其试图添加附加到它的legalEntity。 我该如何预防。 我只需要将交易对手频率表插入CounterCounterFrequencyId和LegalEntityId即可。 请分享您的想法
[DataContract]
public class CounterpartyFrequency : EntityBase
{
[DataMember]
[Key]
public int CounterpartyFrequencyId { get; set; }
[DataMember]
public string LegalEntityId { get; set; }
[DataMember]
[ForeignKey("LegalEntityId")]
public LegalEntity LegalEntity { get; set; }
}
我要保存的实体在上方
using (var dbContext = ConfigurationContext.CreateContext(dbConnection))
{
foreach (var counterpartyFrequency in counterpartyFrequencies)
{
if (
dbContext.CounterpartyFrequencies.Any(
(x) => x.CounterpartyFrequencyId == counterpartyFrequency.CounterpartyFrequencyId))
{
dbContext.CounterpartyFrequencies.Attach(counterpartyFrequency);
}
else
{
dbContext.CounterpartyFrequencies.Add(counterpartyFrequency);
}
}
var noc = dbContext.SaveChanges();
}
您需要将LegalEntity设置为虚拟的:
[DataContract]
public class CounterpartyFrequency : EntityBase
{
[DataMember]
[Key]
public int CounterpartyFrequencyId { get; set; }
[DataMember]
public string LegalEntityId { get; set; }
[ForeignKey("LegalEntityId")]
public virtual LegalEntity LegalEntity { get; set; }
}
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