private string getDebugInfo(HttpContext context) { Json jsonResult = new Json(); string macNum = context.Request["macNum"]; DataTable result = ms.getDebugInfo(macNum); if (result == null || result.Rows.Count == 0) { jsonResult.Success = false; } else { jsonResult.Success = true; jsonResult.Result = result; } string strJson = JsonConvert.SerializeObject(jsonResult); return(strJson); }