查了好多资料,最终采取了以下方法解决:
JsonSerializerSettings jsSettings = new JsonSerializerSettings(); jsSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore; JsonConvert.SerializeObject(obj, jsSettings);
查询资料: http://www.xuebuyuan.com/134162.html
原文：http://www.cnblogs.com/rxys/p/4885809.html