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    copied!<p>If you want to pass custom JSON object to MVC action then you can use this solution, it works like a charm.</p> <pre><code> public string GetData() { // InputStream contains the JSON object you've sent String jsonString = new StreamReader(this.Request.InputStream).ReadToEnd(); // Deserialize it to a dictionary var dic = Newtonsoft.Json.JsonConvert.DeserializeObject&lt;Dictionary&lt;String, dynamic&gt;&gt;(jsonString); string result = ""; result += dic["firstname"] + dic["lastname"]; // You can even cast your object to their original type because of 'dynamic' keyword result += ", Age: " + (int)dic["age"]; if ((bool)dic["married"]) result += ", Married"; return result; } </code></pre> <p>The real benefit of this solution is that you don't require to define a new class for each combination of arguments and beside that, you can cast your objects to their original types easily.</p> <p><strong>UPDATED</strong></p> <p>Now, you can even merge your GET and POST action methods since your post method doesn't have any argument any more just like this :</p> <pre><code> public ActionResult GetData() { // GET method if (Request.HttpMethod.ToString().Equals("GET")) return View(); // POST method . . . var dic = GetDic(Request); . . String result = dic["fname"]; return Content(result); } </code></pre> <p>and you can use a helper method like this to facilitate your job</p> <pre><code>public static Dictionary&lt;string, dynamic&gt; GetDic(HttpRequestBase request) { String jsonString = new StreamReader(request.InputStream).ReadToEnd(); return Newtonsoft.Json.JsonConvert.DeserializeObject&lt;Dictionary&lt;string, dynamic&gt;&gt;(jsonString); } </code></pre>
 

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