jsonresult

I have 2 questions: What is the difference between JSONResult and ActionResult? When to use JSONResult in MVC? ActionResult is an abstract class that an action can return. The helper methods in Controller (eg, Json() , Content() , View() , ...) return different concrete classes that inherit ActionResult , including JsonResult . You should declare your action methods as returning ActionResult , so that they have the freedom to return any concrete result class. Use JsonResult when you want to return raw JSON data to be consumed by a client (javascript on a web page or a mobile client). Use

If I have a controller like this: [HttpPost] public JsonResult FindStuff(string query) { var results = _repo.GetStuff(query); var jsonResult = results.Select(x => new { id = x.Id, name = x.Foo, type = x.Bar }).ToList(); return Json(jsonResult); } Basically, I grab stuff from my repository, then project it into a List<T> of anonymous types. How can I unit-test it? System.Web.Mvc.JsonResult has a property called Data , but it's of type object , as we expected. So does that mean if I want to test that the JSON object has the properties I expect ("id", "name", "type"), I have to use reflection?

I have the following arbitrary JSON object(The field names may be changed). { firstname: "Ted", lastname: "Smith", age: 34, married : true } - public JsonResult GetData(??????????){ . . . } I know that I can define a class just like the JSON object with the same field names as the argument, But I would like my controller to accept arbitrary JSON object with different field names. If you want to pass custom JSON object to MVC action then you can use this solution, it works like a charm. public string GetData() { // InputStream contains the JSON object you've sent String jsonString = new

I need a really, really fast method of checking if a string is JSON or not. I feel like this is not the best way: function isJson($string) { return ((is_string($string) && (is_object(json_decode($string)) || is_array(json_decode($string))))) ? true : false; } Any performance enthusiasts out there want to improve this method? function isJson($string) { json_decode($string); return (json_last_error() == JSON_ERROR_NONE); } Answer to the Question The function json_last_error returns the last error occurred during the JSON encoding and decoding. So the fastest way to check the valid JSON is //