/// <summary> /// 获取当前职位可用的父职位 返回Json /// </summary> /// <param name="id">当前职位的ID</param> /// <returns></returns> public JsonResult DropDownParent(string id) { List <Position> positsList; if (id == null || id == "" || id == "null") { positsList = db.GetAllPosition(); } else { positsList = db.GetParentPosit(int.Parse(id)); } var strResult = "{\"DropList\":" + positsList.ToJsonString() + "}"; return(Json(strResult, JsonRequestBehavior.AllowGet)); }