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1// This code requires the Nuget package Microsoft.AspNet.WebApi.Client to be installed.
2// Instructions for doing this in Visual Studio:
3// Tools -> Nuget Package Manager -> Package Manager Console
4// Install-Package Microsoft.AspNet.WebApi.Client
5
6using System;
7using System.Collections.Generic;
8using System.IO;
9using System.Net.Http;
10using System.Net.Http.Formatting;
11using System.Net.Http.Headers;
12using System.Text;
13using System.Threading.Tasks;
14
15namespace CallRequestResponseService
16{
17    class Program
18    {
19        static void Main(string[] args)
20        {
21            InvokeRequestResponseService().Wait();
22        }
23
24        static async Task InvokeRequestResponseService()
25        {
26            using (var client = new HttpClient())
27            {
28                var scoreRequest = new
29                {
30                    Inputs = new Dictionary<string, List<Dictionary<string, string>>> () {
31                    },
32                    GlobalParameters = new Dictionary<string, string>() {
33                            {
34                                "Database server name", ""
35                            },
36                    }
37                };
38
39                const string apiKey = "abc123"; // Replace this with the API key for the web service
40                client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue( "Bearer", apiKey);
41                client.BaseAddress = new Uri("https://ussouthcentral.services.azureml.net/workspaces/1adbe6f815694a149ebcc953d6951b0e/services/6f43475b7fc342a18a9a4d7777f8d1fb/execute?api-version=2.0&format=swagger");
42
43                // WARNING: The 'await' statement below can result in a deadlock
44                // if you are calling this code from the UI thread of an ASP.Net application.
45                // One way to address this would be to call ConfigureAwait(false)
46                // so that the execution does not attempt to resume on the original context.
47                // For instance, replace code such as:
48                //      result = await DoSomeTask()
49                // with the following:
50                //      result = await DoSomeTask().ConfigureAwait(false)
51
52                HttpResponseMessage response = await client.PostAsJsonAsync("", scoreRequest);
53
54                if (response.IsSuccessStatusCode)
55                {
56                    string result = await response.Content.ReadAsStringAsync();
57                    Console.WriteLine("Result: {0}", result);
58                }
59                else
60                {
61                    Console.WriteLine(string.Format("The request failed with status code: {0}", response.StatusCode));
62
63                    // Print the headers - they include the requert ID and the timestamp,
64                    // which are useful for debugging the failure
65                    Console.WriteLine(response.Headers.ToString());
66
67                    string responseContent = await response.Content.ReadAsStringAsync();
68                    Console.WriteLine(responseContent);
69                }
70            }
71        }
72    }