ASP.Net MVC 3 - JSON Model binding to array

As Cresnet Fresh rightly pointed out in the comments to the question the model properties must be marked public.

So modifying Discount class as below resolved this.

public class Discount{    public string Sku{get; set;}    public string DiscountValue{get; set;}    public string DiscountType{get; set;}}

while @thanikkal answered this particular question, I had the same symptoms and a very similar setup.

instead of the public or { get; set; } in my models causing the model binding to not work it was actually my jQuery method! (RAWR!)

I was using $.post (which didn't work) instead of $.ajax.

Doesn't Work:

$.post("/Games/Action",   { "userId": "1", "listName": [ { "fooId": "2", "barId": "99" } ] },   'json',   true  );

The values are in the Form.Data[], but are not mapped properly.

Works:

 $.ajax(    {        url: '/Games/Action',        type: 'POST',        data: JSON.stringify({ userId: "1", listName: [ { fooId: 2, barId: 99 } ] }),        dataType: 'json',        contentType: 'application/json; charset=utf-8',        success: function (data, textStatus, jqXHR)        {            console.log(data);        },        error: function (objAJAXRequest, strError)        {            console.log(data);        }    });

All values mapped correctly.

Lost a few hours to this one, hope this helps others.

Your code looks fine.. But check this

1. Routing settings.
2. Put [HttpPost] attribute on SaveDiscount

and try this

var catalogDiscount = JSON.stringify( { discounts: jsondatacoll } );

that would give make right data binding.