Serializing Multiple Enum Values in WebApi

Question

If I have an Enum like this:

[Flags]
public enum EyeColor {
    All = 1,
    Brown = 2,
    Blue = 4,
    Hazel = 8,
    Green = 16
}

And then return a JSON result like this:

jsonBody.EyeColor = EyeColor.Brown | EyeColor.Blue;

I see the following in my jsonBody on the client:

"Brown, Blue"

However if I send the above string to WebAPI via an EyeColor property:

var eyeColor = "Brown, Blue"
var query = '?Index=1&EyeColor=` + eyeColor;
// send json GET request and use [FromUri] to extract

Serverside, I get:

dto.EyeColor: 0

Though if I do this:

var eyeColor = "All"
var query = '?Index=1&EyeColor=` + eyeColor;
// send json GET request and use [FromUri] to extract

I get

dto.EyeColor: All

So what I'm wondering is - in the event where I want to not only retrieve a string-serialized Enum from WebApi, but also send a string to represent multiple Enums that have been selected (and deserialized into multiple enums), what do I need to do?

My Global.asax:

        JsonSerializerSettings jSettings = new JsonSerializerSettings();
        jSettings.Converters.Add(new Newtonsoft.Json.Converters.StringEnumConverter());
           GlobalConfiguration.Configuration.Formatters.JsonFormatter.SerializerSettings = jSettings;

      GlobalConfiguration.Configuration
      .Formatters
      .JsonFormatter
      .SerializerSettings
      .ContractResolver = new CamelCasePropertyNamesContractResolver();

RobVious · Accepted Answer · 2015-03-01 02:30:16Z

4

I'm an idiot.

"Brown,+Blue"

Is all that was needed.

answered Mar 1, 2015 at 2:30

RobVious

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