First Enum Value Not Mapping Correctly In JSON Response

Question

I have the following endpoint:

        public List<SubBranch> Get(GetSubBranch request)
        {
            SubBranch subBranch = new SubBranch();
            subBranch.BranchId = 1;
            subBranch.Addresses = new List<SubBranchAddress>();
            subBranch.Addresses.Add(new SubBranchAddress { AddressType = AddressType.Postal, City = "A" });
            subBranch.Addresses.Add(new SubBranchAddress { AddressType = AddressType.Test, City = "B" });
            subBranch.Addresses.Add(new SubBranchAddress { AddressType = AddressType.Street, City = "C" });
            return new List<SubBranch> { subBranch };
        }

Here is the model:

    public class SubBranch
    {
        public int BranchId { get; set; }
        public List<SubBranchAddress> Addresses { get; set; }
    }
    public class SubBranchAddress
    {        
        public string City { get; set; }
        public AddressType AddressType { get; set; }
    }

    public enum AddressType
    {
        Test,
        Street,
        Postal        
    }

This is providing the following JSON response:

[
  {
    "BranchId": 1,
    "Addresses": [
      {
        "City": "A",
        "AddressType": "Postal"
      },
      {
        "City": "B"
      },
      {
        "City": "C",
        "AddressType": "Street"
      }
    ]
  }
]

As you can see the first value in the AddressType enum is not coming through. I'd expect "City": "B" to have "AddressType": "Test" below it. I have played around with different numbers of enum values in different orders and each time the first value is never coming through.

Why is this and how can I fix it?

Possible duplicate stackoverflow.com/questions/38018986/…

Anu Viswan
– Anu Viswan

2018-12-10 02:04:44 +00:00
Commented Dec 10, 2018 at 2:04 — Anu Viswan
– Anu Viswan, Commented Dec 10, 2018 at 2:04

David Klempfner · Accepted Answer · 2018-12-10 02:37:33Z

1

This was because I had JsConfig.ExcludeDefaultValues = true; in AppHosts.cs.

I could fix it by setting it to false or using a non default value for Test:

public enum AddressType
{
    Test = 1,
    Street,
    Postal        
}

answered Dec 10, 2018 at 2:37

David Klempfner

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