MVC model binding in controller action when given a querystring with special character keys

Question

I am using a third party library for a Grid which uses fixed querystring parameters as shown below.

/Home/GetData/?$skip=0&$top=10

These parameters have a $ in their key and I wanted to know if there is a way to still have the MVC model binding work for these parameters.

i.e.

applying them to this action (which won't compile because of the $ in the parameter names.

public ActionResult GetData(int $skip, int $top)
{
...
return View();
}

You might need a custom model binder for that. That would be a good solution. Quick and dirty way though is to parse query string inside action — Andrei
– Andrei, Commented May 22, 2014 at 10:45
Oh, and quick search revealed following thing: ActionParameterAlias Nuget package. Never saw it in action frankly, but might be worth a try. — Andrei
– Andrei, Commented May 22, 2014 at 10:49
@Andrei thanks that pointed me in the right direction, I have added what I just tried and both seem to work ok — Pricey
– Pricey, Commented May 22, 2014 at 10:58

Pricey · Accepted Answer · 2014-05-22 10:58:19Z

1

Thanks to Andrei for pointing me in the right direction.

The below solutions both do the trick.

Via prefix alias model binding

public ActionResult GetData([Bind(Prefix = "$top")]int top = 0, [Bind(Prefix = "$skip")]int skip = 0)
{
    return View();
}

By Request object to get the Querystring values

public ActionResult GetData()
{
    var topParam = Request.QueryString["$top"];
    var skipParam = Request.QueryString["$skip"];

    var top = 0;
    int.TryParse(topParam, out top);

    var skip = 0;
    int.TryParse(skipParam, out skip);

    return View();
}

answered May 22, 2014 at 10:58

Pricey

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1 Comment

Andrei Over a year ago

Did not know about this BindAttribute, quite useful thing. Cool!

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