private static void createCommand(IoTDAClient client) { CreateCommandRequest req = new CreateCommandRequest { InstanceId = "1a7ffc5c-d89c-44dd-8265-b1653d951ce0", DeviceId = "5eeb1fefbc61700402bc35f9_1211211", Body = new DeviceCommandRequest() { ServiceId = "b1224afb-e9f0-4916-8220-b6bab568e888", CommandName = "ON_OFF", Paras = JObject.Parse("{\"value\":\"ON\"}") } }; try { var resp = client.CreateCommand(req); Console.WriteLine(resp); } catch (RequestTimeoutException requestTimeoutException) { Console.WriteLine(requestTimeoutException.ErrorMessage); } catch (ServiceResponseException clientRequestException) { Console.WriteLine(clientRequestException.HttpStatusCode); Console.WriteLine(clientRequestException.ErrorCode); Console.WriteLine(clientRequestException.ErrorMsg); } catch (ConnectionException connectionException) { Console.WriteLine(connectionException.ErrorMessage); } }