Deserialize JSON Objects in Asp.Net MVC Controller

Question

I'm trying to deserialize an object which was generated by LinqToSql. The user is allowed to edit the data of the object in the view and then it gets posted back to the controller. The edited Data comes in JSON. How does this action have to look like?

Something like...

public ActionResult(JsonObject json)
{
    MyClass c = Jsonify(json) as MyClass;
}

Is there a nice helpful static class in the framework I'm missing? Or do I have to create a DataContract?

Many thanks

Bradley Mountford · Accepted Answer · 2010-06-01 17:17:19Z

23

System.Web.Script.Serialization.JavaScriptSerializer

public ActionResult Blah(JsonObject json)
{
    JavaScriptSerializer js = new JavaScriptSerializer();
    var c = js.Deserialize<MyClass>(json);
    return View(c);
}

EDIT: Oops...just noticed you are passing an object instead of string....so you will need to use System.Runtime.Serialization.Json.DataContractJsonSerializer:

DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(MyClass));
MyClass c = (MyClass)serializer.ReadObject(json);

edited Jun 1, 2010 at 17:17

answered Jun 1, 2010 at 17:03

Bradley Mountford

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4 Comments

Dänu Over a year ago

nice, thanks (and yeeess maybe I was a little to lazy to rtfm ;-))

Ted Nyberg Over a year ago

Seems to me the DataContractJsonSerializer's ReadObject method only accepts XML readers or streams as input?

Bradley Mountford Over a year ago

@TedNyberg Yes, that is true: msdn.microsoft.com/en-us/library/bb908232.aspx

spencer741 Over a year ago

What would be the .NET 5 approach to this?

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