C# - MVC - JSON - Return List From Server Side to Client Side Using ViewBag

Question

Hello everyone,

i'm need to return list to client side using viewbag and return view

let's see code :

Server Side :

var model = _iSiteService.FindProduct(id);
    var UnitsData = _iSiteService.GetAllProductsUnits(id).Where(x => x.Product.IsActive).Select(i => new
                        {
                            i.Id,
                            i.UnitId,
                            i.ConversionFactor,
                            i.ProductId
                        }).ToArray();

                        ViewBag.dataUnitsXX = Json(new
                        {
                            Data = UnitsData.ToArray()
                        }, JsonRequestBehavior.AllowGet);

    return View(model);

Client Side :

var json = @Html.Raw(ViewBag.dataUnitsXX);

Message Error :

var json = System.Collections.Generic.List`1[<>f__AnonymousType2`4[System.Int32,System.Int32,System.Decimal,System.Int32]];

How i can solved it.

please help me to return data in variable in javascript Thanks You.

pass an object not an anonymous type

Karthik Ganesan
– Karthik Ganesan

2018-11-09 13:57:13 +00:00
Commented Nov 9, 2018 at 13:57 — Karthik Ganesan
– Karthik Ganesan, Commented Nov 9, 2018 at 13:57

Sorin87bv · Accepted Answer · 2018-11-09 13:57:54Z

2

You can achieve this by adding the UnitsData list into the ViewBag:

 ViewBag.dataUnitsXX = UnitsData;

and then client side using:

var jsonData = @Html.Raw(Newtonsoft.Json.JsonConvert.SerializeObject(ViewBag.dataUnitsXX));

Please note that the way you try to serialize data is a mix of concepts. The Json you are using there is meant to return an action result of type json. Instead you are returning the model but adding the action result to the ViewBag. You may read more about action result types here.

answered Nov 9, 2018 at 13:57

Sorin87bv

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2 Comments

Dina Diagovic Over a year ago

thank you, but why >> Newtonsoft.Json.JsonConvert.SerializeObject ?!

user3559349 Over a year ago

@DinaDiagovic, var jsonData = @Html.Raw(Json.Encode(ViewBag.dataUnitsXX)) would also work, but MS now recommend using Json.NET rather than JavaScriptSerializer

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