Transforming c# data sourced from entity framework into a proper JSON format

Below is a method I have:

    [HttpPost]
    public ActionResult GetData()
    {
        var data= (dynamic)null;
        using (DBContext context = new DBContext())
        {
            data= context.MyObject.Where(i=> i.TypeId == 1).OrderBy(k => k.Name).Select(w => new
            {
                description = w.Description
            }).ToList();       
        }

        return Json(data, JsonRequestBehavior.AllowGet);
    }

I am unsure if I am correctly converting the data into a JSON object as needed for use in JavaScript.

After researching extensively, I came across an example similar to the one below. Maybe I should implement something along these lines, but I'm not exactly sure how:

var keyValues = new Dictionary<string, string>
               {
                   { "emailSend", textBox1.Text },
                   { "toEmail", textBox2.Text }
               };

JavaScriptSerializer js = new JavaScriptSerializer();
string json = js.Serialize(keyValues);
MessageBox.Show(json);

Answer №1

Avoid using the JavaScriptSerializer. Stick to returning Json as you've been doing. This is the proper way to send JSON data from a controller action to the client. The model parameter you pass will be automatically serialized into JSON by the framework. Plus, there's no need to set JsonRequestBehavior.AllowGet since your controller action is marked with the [HttpPost] attribute, meaning it can only be accessed via POST requests and not GET. That attribute is only necessary for actions that return JsonResult and can be accessed with the GET verb.

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