How does ASP.NET MVC Generate JsonResults?

Question

I want to inject some Json into the Html page returned by the server?

Is there a public function that returns the Json string when Json(someObject) gets called?

Note that I don't want to return Json to the browser in a seperate request. I want to convert an object graph to json and inject it into a script block.

Thanks

Looking at the MVC source code, I found this:

using System.Web.Script.Serialization;
...
            // The JavaScriptSerializer type was marked as obsolete prior to .NET Framework 3.5 SP1
#pragma warning disable 0618
            JavaScriptSerializer serializer = new JavaScriptSerializer();
            response.Write(serializer.Serialize(Data));
#pragma warning restore 0618

Why was it marked obsolete?

More info regarding how - JavaScriptSerializer Serialize() and rejects GET requests by default stackoverflow.com/a/3991940/516748 — KCD
– KCD, Commented Oct 23, 2012 at 2:01

Community · Accepted Answer · 2017-05-23 12:30:27Z

1

This should help.

Best way to parse JSON data into a .NET object

Why microsoft made JavaScriptSerializer obsolete prior to .net 3.5 SP1 and again active after that?

I usually use Json.NET though.

edited May 23, 2017 at 12:30

CommunityBot

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answered Jul 15, 2009 at 16:23

kimsk

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erikkallen · Accepted Answer · 2009-07-15 16:26:09Z

0

/*I think */it uses an instance of the System.Web.Script.Serialization.JavaScriptSerializer class.

Verified with reflector that it actually does. It's a default one too, no arguments to the constructor and no properties set before it's used.

answered Jul 15, 2009 at 16:26

erikkallen

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