asp.net core httpget method can't deserialize enum array

Question

asp.net core 2.2 httpget method can't deserialize array of enums and returns

"title":"Unsupported Media Type","status":415,"

maybe someone can advice something

 [HttpGet("find")]
    public async Task<ActionResult<IEnumerable<SomeDTO>>> Find(SomeEnum []enums )
    {
       ....some service calls here
        return Ok(result);
    }

input like .../find?enums=1&enums=2

Share your code and input to the api.

Hadi Samadzad
– Hadi Samadzad

2020-01-21 10:53:16 +00:00
Commented Jan 21, 2020 at 10:53 — Hadi Samadzad
– Hadi Samadzad, Commented Jan 21, 2020 at 10:53
added some code and used url pattern

Nakipatop
– Nakipatop

2020-01-21 11:16:28 +00:00
Commented Jan 21, 2020 at 11:16 — Nakipatop
– Nakipatop, Commented Jan 21, 2020 at 11:16

Exploding Kitten · Accepted Answer · 2020-01-21 11:32:54Z

2

You can explicitly add [FromQuery] attribute to your parameter, like:

[HttpGet("find")]
public async Task<ActionResult<IEnumerable<SomeDTO>>> Find([FromQuery] SomeEnum[] enums )
{
    // ...some service calls here
    return Ok(result);
}

answered Jan 21, 2020 at 11:32

Exploding Kitten

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2 Comments

Nakipatop Over a year ago

thank you really much!!! i've been surfing in web for about 2 hours and haven't find any solution. Where did you find that solution? maybe some good book or msdn ?

Exploding Kitten Over a year ago

@Nakipatop sorry, but I cannot point you to docs, but if you try to debug your app, you will find that asp.net selects Body model binder (from request body), which checks content type of your request (which is empty), that why you see unsupported content type, and add attribute to force asp.net to use query

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