cannot pass value to ko.observableArray

Question

I am asp.net MVC developer.

In my model as follows,

public class GiftModel
{
    public string Title { get; set; }
    public double Price { get; set; }
}

controller=>

public ActionResult Test()
{
    ViewBag.Message = "Modify this template to jump-start your ASP.NET MVC application.";

    GiftModel[] initialState = new[] {
        new GiftModel { Title = "Tall Hat", Price = 49.95 },
        new GiftModel { Title = "Long Cloak", Price = 78.25 }
    };
    return View(initialState);
}

but when executing I stuck here in script ,

initialValues= ""[{\"Title\":\"Tall Hat...ak\",\"Price\":78.25}]""

var result = ko.observable(initialValues)

this output no result

Your qeustion is very unclear! What are you trying to do? Please post your actual view code html and js and also try to describe what is not working! — nemesv
– nemesv, Commented Aug 30, 2013 at 8:38

Khanh TO · Accepted Answer · 2013-08-30 08:49:22Z

2

From what I understand, you need to create an observableArray, but the problem is your initialValues is a string. You need to convert your string into object using JSON.parse:

initialValues= JSON.parse("[{\"Title\":\"Tall Hat...ak\",\"Price\":78.25}]");
var result = ko.observableArray(initialValues)

answered Aug 30, 2013 at 8:49

Khanh TO

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3 Comments

Khanh TO Over a year ago

@Aruni Godage: please give more information in your question.

Aruni Godage Over a year ago

JSON.parse() => what is does khanh ? I new to this.that return no result.

Khanh TO Over a year ago

@Aruni Godage: it converts your json string into javascript object. More information developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…

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