Clever Geek Handbook

MVC model binding: using a name other than QueryString for a method parameter

Given the url:

http://www.stackoverflow.com/question ask = 123 & answers = 5

and the corresponding ActionMethod and Model:

public ActionResult Question(RequestObject request)
{
   return View("Question", request);
}

public class RequestObject
{
   public string AskId
   {
      get;
      set;
   }

   public string NumberOfAnswers
   {
      get;
      set;
   }
}

Note that QueryString and RequestObject parameters are different. Can I achieve this with the default binding behavior? Do I need to create a custom binder?

Thank!

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3 answers


It looks like a custom linker is what you want. Scott Hanselman has a good example of implementing custom binders here



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You can use explicit object initialization:



public ActionResult Question(string ask, string answers)
{
    return View("Question", new RequestObject
    {
        AskId = ask,
        NumberOfAnswers = answers
    });
}
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Override DefaultModelBinder. In particular, his method BindProperty

.

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