Controller override for Json.NET

gistfile1.cs

/// <summary>
/// Creates a System.Web.Mvc.JsonResult object that serializes the specified object to JavaScript Object Notation (JSON).
/// </summary>
/// <param name="data">The JavaScript object graph to serialize.</param>
/// <param name="contentType">The content type (MIME type).</param>
/// <param name="contentEncoding">The content encoding.</param>
/// <param name="behavior">The JSON request behavior</param>
/// <returns>
/// The JSON result object that serializes the specified object to JSON format.
/// The result object that is prepared by this method is written to the response
/// by the ASP.NET MVC framework when the object is executed.
/// </returns>
protected override JsonResult Json(object data, string contentType, Encoding contentEncoding, JsonRequestBehavior behavior)
{
    // No need to override other overloads since they all eventually call this one.
    return new JsonNetResult
            {
                Data = data,
                ContentType = contentType,
                ContentEncoding = contentEncoding,
                JsonRequestBehavior = behavior // Technically no longer needed since we handle adding a container.
            };
}