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Provides .NET developers with the power to easily connect their Web, Desktop, and Mobile applications to data to SAP Fieldglass Approvals, Audit Trails, Analytics, and more!

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LINQ to SAP Fieldglass 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 SAP Fieldglass Data Provider.

This article illustrates using LINQ to access tables within the SAP Fieldglass via the CData ADO.NET Data Provider for SAP Fieldglass. 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 SAP Fieldglass Data Source".

  4. Enter your data source connection information.

    To authenticate, you will need to specify the Username, Password, APIKey, and EnvironmentURL connection properties.

    To obtain an APIKey, log in to the SAP API Business Hub and click on Get API Key.

    Below is a typical connection string:

    EnvironmentURL='https://myinstance.com';Username=myuser;Password=mypassword;APIKey=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx;InitiateOAuth=GETANDREFRESH
  5. If saving your entity connection to App.Config, set an entity name. In this example we are setting SAPFieldglassEntities 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 commands. For example:

SAPFieldglassEntities context = new SAPFieldglassEntities(); var audittrailsQuery = from audittrails in context.AuditTrails select audittrails; foreach (var result in audittrailsQuery) { Console.WriteLine("{0} {1} ", result.Id, result.Id); }

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