public class JsonModelBinder : DefaultModelBinder     {         public override object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)         {             if (!IsJSONRequest(controllerContext))             {                 return base.BindModel(controllerContext, bindingContext);             }             // Get the JSON data that's been posted             var request = controllerContext.HttpContext.Request;             var jsonStringData = new StreamReader(request.InputStream).ReadToEnd();                return new JavaScriptSerializer().Deserialize(jsonStringData, bindingContext.ModelMetadata.ModelType);                      }         private static bool IsJSONRequest(ControllerContext controllerContext)         {             var contentType = controllerContext.HttpContext.Request.ContentType;             return contentType.Contains("FTchinaMVC/json");         }     }

protected void Application_Start()        {            ModelBinders.Binders.DefaultBinder = new JsonModelBinder();            RegisterRoutes(RouteTable.Routes);        }            AreaRegistration.RegisterAllAreas();            RegisterGlobalFilters(GlobalFilters.Filters);