Deserialize javascript JSON into dictionary

This code uses a DictionaryConverter class which is a custom class that inherits from JavsScriptConverter.

string decodedPayLoad;

System.Web.Script.Serialization.JavaScriptSerializer js = new System.Web.Script.Serialization.JavaScriptSerializer();

// Register the custom converter.

js.RegisterConverters(new JavaScriptConverter[] { new DictionaryConverter() });

IDictionary list = js.Deserialize<IDictionary>(decodedPayLoad);

This is the custom class that was called above

public class DictionaryConverter : JavaScriptConverter

    {

        public override IEnumerable<Type> SupportedTypes

        {

            //Define the ListItemCollection as a supported type.

            get { return new ReadOnlyCollection<Type>(new List<Type>(new Type[] { typeof(IDictionary) })); }

        }

        public override IDictionary<string, object> Serialize(object obj, JavaScriptSerializer serializer)

        {

            throw new NotImplementedException();

        }

        public override object Deserialize(IDictionary<string, object> dictionary, Type type, JavaScriptSerializer serializer)

        {

            if (dictionary == null)

                throw new ArgumentNullException("dictionary");

            return dictionary;

        }

    }

Hope it helps :)