Josn转DataTable（转）

        /// <summary>
        /// json转换为DataTable
        /// </summary>
        /// <param name="json">需要转化的json格式字符串</param>
        /// <returns></returns>
        public DataTable updateInfo(string json)
        {
            System.Web.Script.Serialization.JavaScriptSerializer jss =
new System.Web.Script.Serialization.JavaScriptSerializer();
            object[] obj = (object[])jss.DeserializeObject(json);
            Dictionary<string, object> dic;
            DataRow dr;
            DataTable dt = getDataTable();
            foreach (object _obj in obj)
            {
                dr = dt.NewRow();
                dt.Rows.Add(dr);
                dic = (Dictionary<string, object>)_obj;
                dr["id"] = dic["id"];
                dr["name"] = dic["name"];
                dr["count"] = dic["count"];
                
            }
            return dt;
        }

        public DataTable getDataTable()
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("id", typeof(System.Int32));
            dt.Columns.Add("name", typeof(System.String));
            dt.Columns.Add("count", typeof(System.Int32));          
            return dt;
        }