Self referencing loop in Entity Framework Core models when using InverseProperty









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I have the following models:



 public class MasterData

[Key]
public Guid ID get; set;

[Required]
public string Name get; set;

[InverseProperty(nameof(DetailData.MasterData))]
public List<Detaildata> Details get; set;


public class DetailData

[Key]
public Guid ID get; set;

[Required]
public string Name get; set;

[InverseProperty(nameof(ChildData.DetailData))]
public List<ChildData> Children get; set;

public Guid MasterDataID get; set;

[ForeignKey(nameof(MasterDataID))]
public MasterData MasterData get; set;



public class ChildData

[Key]
public Guid ID get; set;

[Required]
public string Name get; set;

public Guid SectionID get; set;

[ForeignKey(nameof(SectionID))]
public Section ChildSection get; set;

public Guid DetailDataID get; set;

[ForeignKey(nameof(DetailDataID))]
public DetailData DetailData get; set;



To make sure that the migration is well generated and to avoid shadow properties, I add the InverseProperty attribute to define both ends of the relationship.



However, when I try to serialize the instances, I get the following exception:




Self referencing loop detected for property 'DetailData' with type
'Models.DetailData'. Path 'Value.Item1.Details[0].Children[0]'.




Well, obviously it is a self referencing loop, as MasterData has a DetailData that has a MasterData navigation object back - as it should be in a navigational relationship.



Unfortunately, I need to serialize these objects.



A workaround would be to mark the InverseProperty properties with the JsonIgnore attribute, but I'm not sure what it would cause in the deserializing side of the project.



What should I do to avoid the self referencing loop without ignoring the navigation properties?










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    up vote
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    down vote

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    I have the following models:



     public class MasterData

    [Key]
    public Guid ID get; set;

    [Required]
    public string Name get; set;

    [InverseProperty(nameof(DetailData.MasterData))]
    public List<Detaildata> Details get; set;


    public class DetailData

    [Key]
    public Guid ID get; set;

    [Required]
    public string Name get; set;

    [InverseProperty(nameof(ChildData.DetailData))]
    public List<ChildData> Children get; set;

    public Guid MasterDataID get; set;

    [ForeignKey(nameof(MasterDataID))]
    public MasterData MasterData get; set;



    public class ChildData

    [Key]
    public Guid ID get; set;

    [Required]
    public string Name get; set;

    public Guid SectionID get; set;

    [ForeignKey(nameof(SectionID))]
    public Section ChildSection get; set;

    public Guid DetailDataID get; set;

    [ForeignKey(nameof(DetailDataID))]
    public DetailData DetailData get; set;



    To make sure that the migration is well generated and to avoid shadow properties, I add the InverseProperty attribute to define both ends of the relationship.



    However, when I try to serialize the instances, I get the following exception:




    Self referencing loop detected for property 'DetailData' with type
    'Models.DetailData'. Path 'Value.Item1.Details[0].Children[0]'.




    Well, obviously it is a self referencing loop, as MasterData has a DetailData that has a MasterData navigation object back - as it should be in a navigational relationship.



    Unfortunately, I need to serialize these objects.



    A workaround would be to mark the InverseProperty properties with the JsonIgnore attribute, but I'm not sure what it would cause in the deserializing side of the project.



    What should I do to avoid the self referencing loop without ignoring the navigation properties?










    share|improve this question























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I have the following models:



       public class MasterData

      [Key]
      public Guid ID get; set;

      [Required]
      public string Name get; set;

      [InverseProperty(nameof(DetailData.MasterData))]
      public List<Detaildata> Details get; set;


      public class DetailData

      [Key]
      public Guid ID get; set;

      [Required]
      public string Name get; set;

      [InverseProperty(nameof(ChildData.DetailData))]
      public List<ChildData> Children get; set;

      public Guid MasterDataID get; set;

      [ForeignKey(nameof(MasterDataID))]
      public MasterData MasterData get; set;



      public class ChildData

      [Key]
      public Guid ID get; set;

      [Required]
      public string Name get; set;

      public Guid SectionID get; set;

      [ForeignKey(nameof(SectionID))]
      public Section ChildSection get; set;

      public Guid DetailDataID get; set;

      [ForeignKey(nameof(DetailDataID))]
      public DetailData DetailData get; set;



      To make sure that the migration is well generated and to avoid shadow properties, I add the InverseProperty attribute to define both ends of the relationship.



      However, when I try to serialize the instances, I get the following exception:




      Self referencing loop detected for property 'DetailData' with type
      'Models.DetailData'. Path 'Value.Item1.Details[0].Children[0]'.




      Well, obviously it is a self referencing loop, as MasterData has a DetailData that has a MasterData navigation object back - as it should be in a navigational relationship.



      Unfortunately, I need to serialize these objects.



      A workaround would be to mark the InverseProperty properties with the JsonIgnore attribute, but I'm not sure what it would cause in the deserializing side of the project.



      What should I do to avoid the self referencing loop without ignoring the navigation properties?










      share|improve this question













      I have the following models:



       public class MasterData

      [Key]
      public Guid ID get; set;

      [Required]
      public string Name get; set;

      [InverseProperty(nameof(DetailData.MasterData))]
      public List<Detaildata> Details get; set;


      public class DetailData

      [Key]
      public Guid ID get; set;

      [Required]
      public string Name get; set;

      [InverseProperty(nameof(ChildData.DetailData))]
      public List<ChildData> Children get; set;

      public Guid MasterDataID get; set;

      [ForeignKey(nameof(MasterDataID))]
      public MasterData MasterData get; set;



      public class ChildData

      [Key]
      public Guid ID get; set;

      [Required]
      public string Name get; set;

      public Guid SectionID get; set;

      [ForeignKey(nameof(SectionID))]
      public Section ChildSection get; set;

      public Guid DetailDataID get; set;

      [ForeignKey(nameof(DetailDataID))]
      public DetailData DetailData get; set;



      To make sure that the migration is well generated and to avoid shadow properties, I add the InverseProperty attribute to define both ends of the relationship.



      However, when I try to serialize the instances, I get the following exception:




      Self referencing loop detected for property 'DetailData' with type
      'Models.DetailData'. Path 'Value.Item1.Details[0].Children[0]'.




      Well, obviously it is a self referencing loop, as MasterData has a DetailData that has a MasterData navigation object back - as it should be in a navigational relationship.



      Unfortunately, I need to serialize these objects.



      A workaround would be to mark the InverseProperty properties with the JsonIgnore attribute, but I'm not sure what it would cause in the deserializing side of the project.



      What should I do to avoid the self referencing loop without ignoring the navigation properties?







      c# entity-framework-core jsonserializer






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      share|improve this question











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      share|improve this question










      asked Nov 10 at 12:37









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