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    <p>Also you can integrate the free <a href="http://james.newtonking.com/pages/json-net.aspx" rel="noreferrer">Json.NET</a> library within your code.</p> <p>This library does not suffer the problems <code>JavascriptSerializer</code> has like the circular reference problem. </p> <p>This is a sample using the library to output JSON from a controller action</p> <pre><code>public virtual ActionResult ListData() { Dictionary&lt;string, string&gt; openWith = new Dictionary&lt;string, string&gt;(); openWith.Add( "txt", "notepad.exe" ); openWith.Add( "bmp", "paint.exe" ); openWith.Add( "dib", "paint.exe" ); openWith.Add( "rtf", "wordpad.exe" ); JsonNetResult jsonNetResult = new JsonNetResult(); jsonNetResult.Formatting = Formatting.Indented; jsonNetResult.Data = openWith; return jsonNetResult; } </code></pre> <p>If you execute this action you will get the following results</p> <pre><code>{ "txt": "notepad.exe", "bmp": "paint.exe", "dib": "paint.exe", "rtf": "wordpad.exe" } </code></pre> <p>JsonNetResult is a simple custom wrapper class around the functionalities of the Json.NET library.</p> <pre><code>public class JsonNetResult : ActionResult { public Encoding ContentEncoding { get; set; } public string ContentType { get; set; } public object Data { get; set; } public JsonSerializerSettings SerializerSettings { get; set; } public Formatting Formatting { get; set; } public JsonNetResult() { SerializerSettings = new JsonSerializerSettings(); } public override void ExecuteResult( ControllerContext context ) { if ( context == null ) throw new ArgumentNullException( "context" ); HttpResponseBase response = context.HttpContext.Response; response.ContentType = !string.IsNullOrEmpty( ContentType ) ? ContentType : "application/json"; if ( ContentEncoding != null ) response.ContentEncoding = ContentEncoding; if ( Data != null ) { JsonTextWriter writer = new JsonTextWriter( response.Output ) { Formatting = Formatting }; JsonSerializer serializer = JsonSerializer.Create( SerializerSettings ); serializer.Serialize( writer, Data ); writer.Flush(); } } } </code></pre>
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    1. POOutputting Json with the Razor view engine
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    1. USLorenzo
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    1. COI'm not sure JSON.NET is able to do Dictionaries, can you confirm that it can, as that is what RubbleFord is asking
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      1. USJeremy B.
    2. COIt works seamlessly :) I have edited my answer for your pleasure
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      1. USLorenzo
    3. CO@Lorenzo, why use this over the built in Json(xxx)? Any advantages?
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      1. USAdam Tuliper - MSFT
 

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