Here is how I call the method:
{"email":"[email protected]","json":{"some1":"some1", "id":1},"yyy":"yyy"}
And my method has these parameters:
MyMethod(string email, Dictionary<string, object> json, string timestamp){...}
And when I call it with the above mentioned parameters, the method is being called but 'json' doesn't contain nothing. Its count is 0. Why is this happening? How to solve it?
The default JSON serializer does not support this out of the box, however JSON.NET and the System.Web.Script.Serialization.JavaScriptSerializer support this, check the answers to a similar question:
How can I deserialize JSON to a simple Dictionary<string,string> in ASP.NET?
JSON.NET will be the default json serializer for ASP.NET 4.5 WebAPI, so you can expect it to be shipped with ASP.NET + get support from MS for it.
UPDATE
In order to let ASP.NET bind the model properly you need a custom model binder:
public class DictionaryModelBinder : IModelBinder
{
public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
var serializer = new JavaScriptSerializer();
var value = controllerContext.RequestContext.HttpContext.Request.Form["json"];
return serializer.Deserialize<Dictionary<string, object>>(HttpUtility.UrlDecode(value));
}
}
And add the new model binder to the Application model binders in the Application_Start method:
protected void Application_Start()
{
ModelBinders.Binders.Add(typeof (Dictionary<string, object>), new DictionaryModelBinder());
RegisterRoutes(RouteTable.Routes);
}
MyMethod(string email, string json, string timestamp), afterwards use the code provided in the other answers