static async Task Main(string[] args)
        {
            AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);

            using var channel = GrpcChannel.ForAddress("http://localhost:5000", new GrpcChannelOptions()
            {
                HttpHandler       = new Handler(new SocketsHttpHandler()),
                DisposeHttpClient = true,
            });
            var client = new GrpcGreeter.Greeter.GreeterClient(channel);

            try
            {
                var name  = args.Length == 1 ? args[0] : "Pranav";
                var reply = await client.SayHelloAsync(new GrpcGreeter.HelloRequest {
                    Name = name,
                });

                Console.WriteLine("Greeting: " + reply.Message);
            }
            catch (RpcException ex)
            {
                Console.WriteLine($"Status Code: {ex.Status.StatusCode}");
                Console.WriteLine($"Status Detail: {ex.Status.Detail}");

                Console.WriteLine($"Trailer Count: {ex.Trailers.Count}");
                foreach (var kvp in ex.Trailers)
                {
                    Console.WriteLine($"Trailer: {kvp.Key}: {(kvp.IsBinary ? "(binary data)" : kvp.Value)}");
                }
            }
        }
        public MainPageViewModel()
        {
            this.WelcomeText = "Welcome MVVM";

            Channel channel = new Channel("10.0.2.2", 5002, ChannelCredentials.Insecure);
            var     client  = new GrpcGreeter.Greeter.GreeterClient(channel);

            var reply = client.SayHello(new GrpcGreeter.HelloRequest {
                Name = "Xamarin Client"
            });

            this.WelcomeText = reply.Message;
        }
        static async Task Main(string[] args)
        {
            Console.WriteLine("Hello World!");

            using var channel = GrpcChannel.ForAddress("https://localhost:443");

            var client = new GrpcGreeter.Greeter.GreeterClient(channel);

            for (int i = 0; i < 100_000_000; i++)
            {
                var reply = await client.SayHelloAsync(
                    new HelloRequest { Name = $"GreeterClient {i}" });

                Console.WriteLine("Greeting: " + reply.Message);
            }

            Console.WriteLine("Press any key to exit...");
            Console.ReadKey();
        }