Json 轉換為c#數組

 string json="{\"PersonID\":\"1,2,3,4,5\"}";
 JObject json2 = (JObject)JsonConvert.DeserializeObject(JsonPList2);
 List<string> PersonList2 = new List<string>();
 string test2 = json2["PersonID"].ToString();
 string[] strArray2 = test2.Split(',');
 int y = 0;
 for (int i = 0; i < strArray2.Length; i++)
 {
   PersonList2.Add(strArray2[i]);
   y++;
 }