public ActionResult GetSelectJson(string keyValue) { var data = userApp.GetClassUserList(keyValue); DataTable list = new DataTable(); list.Columns.Add("FId", Type.GetType("System.String")); list.Columns.Add("FRealName", Type.GetType("System.String")); foreach (UserEntity item in data) { list.Rows.Add(new object[] { item.FId, item.FRealName }); } return(Content(list.ToJson())); }