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LINQ to Azure Active Directory Data

LINQ offers versatile querying capabilities within the .NET Framework (v3.0+), offering a straightforward method for programmatic data access through CData ADO.NET Data Providers. In this article, we demonstrate the use of LINQ to retrieve information from the Azure Active Directory Data Provider.

This article illustrates using LINQ to access tables within the Azure Active Directory via the CData ADO.NET Data Provider for Azure Active Directory. To achieve this, we will use LINQ to Entity Framework, which facilitates the generation of connections and can be seamlessly employed with any CData ADO.NET Data Providers to access data through LINQ.

See the help documentation for a guide to setting up an EF 6 project to use the provider.

  1. In a new project in Visual Studio, right-click on the project and choose to add a new item. Add an ADO.NET Entity Data Model.
  2. Choose EF Designer from Database and click Next.
  3. Add a new Data Connection, and change your data source type to "CData Azure Active Directory Data Source".
  4. Enter your data source connection information.

    Azure Active Directory uses the OAuth authentication standard. To authenticate using OAuth, you will need to create an app to obtain the OAuthClientId, OAuthClientSecret, and CallbackURL connection properties. See the OAuth section in the Help documentation for an authentication guide.

    Below is a typical connection string:

  5. If saving your entity connection to App.Config, set an entity name. In this example we are setting AzureADEntities as our entity connection in App.Config.
  6. Enter a model name and select any tables or views you would like to include in the model.

Using the entity you created, you can now perform select , update, delete, and insert commands. For example:

AzureADEntities context = new AzureADEntities(); var domainsQuery = from domains in context.Domains select domains; foreach (var result in domainsQuery) { Console.WriteLine("{0} {1} ", result.Id,; }

See "LINQ and Entity Framework" chapter in the help documentation for example queries of the supported LINQ.