この記事は、チュートリアル「データセットにデータをプッシュする」の一部です。

チュートリアル「データセットにデータをプッシュする」の手順 2 から 5 を実行した後、完全なソース コードは次のようになります。

データセットにデータをプッシュする

  using System;
  using Microsoft.IdentityModel.Clients.ActiveDirectory;
  using System.Net;
  using System.IO;
  using Newtonsoft.Json;

  namespace walkthrough_push_data
  {
      class Program
      {
          private static string token = string.Empty;

          static void Main(string[] args)
          {

              //Get an authentication access token
              token = GetToken();

              //Create a dataset in Power BI
              CreateDataset();

              //Get a dataset to add rows into a Power BI table
              string datasetId = GetDataset();

              //Add rows to a Power BI table
              AddRows(datasetId, "Product");

          }

          #region Get an authentication access token
          private static string GetToken()
          {
              // TODO: Install-Package Microsoft.IdentityModel.Clients.ActiveDirectory -Version 2.21.301221612
              // and add using Microsoft.IdentityModel.Clients.ActiveDirectory

              //The client id that Azure AD created when you registered your client app.
              string clientID = "{Client_ID}";

              //RedirectUri you used when you register your app.
              //For a client app, a redirect uri gives Azure AD more details on the application that it will authenticate.
              // You can use this redirect uri for your client app
              string redirectUri = "https://login.live.com/oauth20_desktop.srf";

              //Resource Uri for Power BI API
              string resourceUri = "https://analysis.windows.net/powerbi/api";

              //OAuth2 authority Uri
              string authorityUri = "https://login.windows.net/common/oauth2/authorize";

              //Get access token:
              // To call a Power BI REST operation, create an instance of AuthenticationContext and call AcquireToken
              // AuthenticationContext is part of the Active Directory Authentication Library NuGet package
              // To install the Active Directory Authentication Library NuGet package in Visual Studio,
              //  run "Install-Package Microsoft.IdentityModel.Clients.ActiveDirectory" from the nuget Package Manager Console.

              // AcquireToken will acquire an Azure access token
              // Call AcquireToken to get an Azure token from Azure Active Directory token issuance endpoint
              AuthenticationContext authContext = new AuthenticationContext(authorityUri);
              string token = authContext.AcquireToken(resourceUri, clientID, new Uri(redirectUri)).AccessToken;

              Console.WriteLine(token);
              Console.ReadLine();

              return token;
          }

          #endregion

          #region Create a dataset in Power BI
          private static void CreateDataset()
          {
              //TODO: Add using System.Net and using System.IO

              string powerBIDatasetsApiUrl = "https://api.powerbi.com/v1.0/myorg/datasets";
              //POST web request to create a dataset.
              //To create a Dataset in a group, use the Groups uri: https://api.PowerBI.com/v1.0/myorg/groups/{group_id}/datasets
              HttpWebRequest request = System.Net.WebRequest.Create(powerBIDatasetsApiUrl) as System.Net.HttpWebRequest;
              request.KeepAlive = true;
              request.Method = "POST";
              request.ContentLength = 0;
              request.ContentType = "application/json";

              //Add token to the request header
              request.Headers.Add("Authorization", String.Format("Bearer {0}", token));

              //Create dataset JSON for POST request
              string datasetJson = "{\"name\": \"SalesMarketing\", \"tables\": " +
                  "[{\"name\": \"Product\", \"columns\": " +
                  "[{ \"name\": \"ProductID\", \"dataType\": \"Int64\"}, " +
                  "{ \"name\": \"Name\", \"dataType\": \"string\"}, " +
                  "{ \"name\": \"Category\", \"dataType\": \"string\"}," +
                  "{ \"name\": \"IsCompete\", \"dataType\": \"bool\"}," +
                  "{ \"name\": \"ManufacturedOn\", \"dataType\": \"DateTime\"}" +
                  "]}]}";

              //POST web request
              byte[] byteArray = System.Text.Encoding.UTF8.GetBytes(datasetJson);
              request.ContentLength = byteArray.Length;

              //Write JSON byte[] into a Stream
              using (Stream writer = request.GetRequestStream())
              {
                  writer.Write(byteArray, 0, byteArray.Length);

                  var response = (HttpWebResponse)request.GetResponse();

                  Console.WriteLine(string.Format("Dataset {0}", response.StatusCode.ToString()));

                  Console.ReadLine();
              }
          }
          #endregion

          #region Get a dataset to add rows into a Power BI table
          private static string GetDataset()
          {
              string powerBIDatasetsApiUrl = "https://api.powerbi.com/v1.0/myorg/datasets";
              //POST web request to create a dataset.
              //To create a Dataset in a group, use the Groups uri: https://api.PowerBI.com/v1.0/myorg/groups/{group_id}/datasets
              HttpWebRequest request = System.Net.WebRequest.Create(powerBIDatasetsApiUrl) as System.Net.HttpWebRequest;
              request.KeepAlive = true;
              request.Method = "GET";
              request.ContentLength = 0;
              request.ContentType = "application/json";

              //Add token to the request header
              request.Headers.Add("Authorization", String.Format("Bearer {0}", token));

              string datasetId = string.Empty;
              //Get HttpWebResponse from GET request
              using (HttpWebResponse httpResponse = request.GetResponse() as System.Net.HttpWebResponse)
              {
                  //Get StreamReader that holds the response stream
                  using (StreamReader reader = new System.IO.StreamReader(httpResponse.GetResponseStream()))
                  {
                      string responseContent = reader.ReadToEnd();

                      //TODO: Install NuGet Newtonsoft.Json package: Install-Package Newtonsoft.Json
                      //and add using Newtonsoft.Json
                      var results = JsonConvert.DeserializeObject<dynamic>(responseContent);

                      //Get the first id
                      datasetId = results["value"][0]["id"];

                      Console.WriteLine(String.Format("Dataset ID: {0}", datasetId));
                      Console.ReadLine();

                      return datasetId;
                  }
              }
          }
          #endregion

          #region Add rows to a Power BI table
          private static void AddRows(string datasetId, string tableName)
          {
              string powerBIApiAddRowsUrl = String.Format("https://api.powerbi.com/v1.0/myorg/datasets/{0}/tables/{1}/rows", datasetId, tableName);

              //POST web request to add rows.
              //To add rows to a dataset in a group, use the Groups uri: https://api.powerbi.com/v1.0/myorg/groups/{group_id}/datasets/{dataset_id}/tables/{table_name}/rows
              //Change request method to "POST"
              HttpWebRequest request = System.Net.WebRequest.Create(powerBIApiAddRowsUrl) as System.Net.HttpWebRequest;
              request.KeepAlive = true;
              request.Method = "POST";
              request.ContentLength = 0;
              request.ContentType = "application/json";

              //Add token to the request header
              request.Headers.Add("Authorization", String.Format("Bearer {0}", token));

              //JSON content for product row
              string rowsJson = "{\"rows\":" +
                  "[{\"ProductID\":1,\"Name\":\"Adjustable Race\",\"Category\":\"Components\",\"IsCompete\":true,\"ManufacturedOn\":\"07/30/2014\"}," +
                  "{\"ProductID\":2,\"Name\":\"LL Crankarm\",\"Category\":\"Components\",\"IsCompete\":true,\"ManufacturedOn\":\"07/30/2014\"}," +
                  "{\"ProductID\":3,\"Name\":\"HL Mountain Frame - Silver\",\"Category\":\"Bikes\",\"IsCompete\":true,\"ManufacturedOn\":\"07/30/2014\"}]}";

              //POST web request
              byte[] byteArray = System.Text.Encoding.UTF8.GetBytes(rowsJson);
              request.ContentLength = byteArray.Length;

              //Write JSON byte[] into a Stream
              using (Stream writer = request.GetRequestStream())
              {
                  writer.Write(byteArray, 0, byteArray.Length);

                  var response = (HttpWebResponse)request.GetResponse();

                  Console.WriteLine("Rows Added");

                  Console.ReadLine();
              }
          }

          #endregion
      }
  }

参照

Power BI データセットにデータをプッシュする
チュートリアル - Power BI データセットにデータをプッシュする
アプリを Azure AD に登録する
認証アクセス トークンを取得する
Power BI でデータセットを作成する
Power BI テーブルに行を追加するためにデータセットを取得する
Power BI テーブルに行を追加する
Power BI REST API リファレンス
Power BI REST API の概要
Apiary での Power BI REST API
他にわからないことがある場合は、 Power BI コミュニティを利用してください