Pass array of integers to Get / ASP.NET Web API

Question

I know how to pass arrays to Get function like this: /?index=1&index=5&index=3

But I need to be able to receive arrays like this: /?index=[1,5,3]

Or something similarly short. Is there anything I can use?

This might be helpful: stackoverflow.com/questions/6243051/… One way to test it would be to create a form with a GET action with a multi-select, select multiple options, and see how it formats the request and how the server interprets it. — David
– David, Commented Jul 18, 2013 at 15:40
Have you tried the alternative solutions form here: stackoverflow.com/questions/9981330/…? — nemesv
– nemesv, Commented Jul 18, 2013 at 15:44

haim770 · Accepted Answer · 2013-07-18 16:08:56Z

2

Use a custom ModelBinder:

public class JsArrayStyleModelBinder : DefaultModelBinder
{
    public override object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
    {
        var value = bindingContext.ValueProvider.GetValue(bindingContext.ModelName);

        if (value == null)
            return null;

        return new JavaScriptSerializer().Deserialize<string[]>(value.AttemptedValue);
    }
}

Then register it in your Global.asax:

ModelBinders.Binders.Add(typeof(string[]), new JsArrayStyleModelBinder());

Or directly on your Action parameter:

[HttpGet]
public ActionResult Show([ModelBinder(typeof(JsArrayStyleModelBinder))] string[] indexes)

answered Jul 18, 2013 at 16:08

haim770

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1 Comment

haim770 Over a year ago

You could also use String.Split instead of the JavaScriptSerializer.

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