Question

I have a class:

[Serializable]
    public class KVPair<TKey, TValue>
    {
        public TKey Key { get; set; }
        public TValue Value { get; set; }

        public KVPair(TKey k, TValue v)
        {
            Key = k;
            Value = v;
        }
    }

that I create:

List<KVPair<string,string>> kvPairs;

Using the JSON.Net library I can serialize the list and yield:

"[{"Key":"Two","Value":"2"},{"Key":"One","Value":"1"}]"

When I de-serialize this string back to List> I get the correct count of objects but they are null. Any suggestions would be great help.

Answer 1

I m guessing that you might need to add a parameterless constructor:

public KVPair() {
}

Perhaps JSON.net doesn t know how to construct your object so it silently fails.

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