C# json转换为DataTable

        public static DataTable JsonToDataTable(string json)
        {
            DataTable table = new DataTable();
            //JsonStr为Json字符串
            JArray array = JsonConvert.DeserializeObject(json) as JArray;//反序列化为数组
            if (array.Count > 0)
            {
                StringBuilder columns = new StringBuilder();

                JObject objColumns = array[0] as JObject;
                //构造表头
                foreach (JToken jkon in objColumns.AsEnumerable<JToken>())
                {
                    string name = ((JProperty)(jkon)).Name;
                    columns.Append(name + ",");
                    table.Columns.Add(name);
                }
                //向表中添加数据
                for (int i = 0; i < array.Count; i++)
                {
                    DataRow row = table.NewRow();
                    JObject obj = array[i] as JObject;
                    foreach (JToken jkon in obj.AsEnumerable<JToken>())
                    {

                        string name = ((JProperty)(jkon)).Name;
                        string value = ((JProperty)(jkon)).Value.ToString();
                        row[name] = value;
                    }
                    table.Rows.Add(row);
                }
            }
            return table;
        }