Dynamic query string in route

Question

Is there a way to accept anything in the query string of a route in .NET Core API 2.X? For example, if I were to pass the following to the same action, but with different query strings, I would receive a response containing the query string.

localhost:PORT/api/values/echo?something=2&somethingelse=test
localhost:PORT/api/values/echo?word=hello-world

The response to the two requests would respectively be:

something=2&somethingelse=test
word=hello-world

I thought the attempt below would work, but I was mistaken.

        [HttpGet("echo")]
        public IActionResult Echo(dynamic query)
        {
            return Ok(query);
        }

A_kat · Accepted Answer · 2020-01-20 10:22:44Z

1

    [HttpGet("echo")]
    public IActionResult Echo()
    {
        var query = Request.QueryString.ToString();
        return Ok(query);
    }

This is for you case. But generally I don't see any point in it, you may want to use a class instead.

answered Jan 20, 2020 at 10:22

A_kat

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1 Comment

TheDoomDestroyer Over a year ago

So I'd use a parameterless action. I imagined there'd be an Action filter attribute or a model binder or something.

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