LINQ to SAS Data Sets Data

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SAS Data Sets ADO.NET Provider

Rapidly create and deploy powerful .NET applications that integrate with SAS Data Sets.



LINQ provides general-purpose query facilities in .NET Framework 3.0 and above and provides one easy way to programmatically access data through from CData ADO.NET Data Providers. This example uses LINQ to access information from the SAS Data Sets Data Provider.

This article demonstrates how to use LINQ to access SAS Data Sets tables through the CData ADO.NET Data Provider for SAS Data Sets. To do this you will LINQ to Entity Framework, which is used to generate the connection and can be used with any CData ADO.NET Data Providers to access data via 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 SAS Data Sets Data Source".
  4. Enter your data source connection information.

    Set the following connection properties to connect to your SAS DataSets files:

    • URI: Set this to the folder containing your .sas7bdat resources. Currently we only support local files.

    Below is a typical connection string:

    URI=C:/myfolder;
  5. If saving your entity connection to App.Config, set an entity name. In this example we are setting SASDataSetsEntities 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:

SASDataSetsEntities context = new SASDataSetsEntities(); var restaurantsQuery = from restaurants in context.restaurants select restaurants; foreach (var result in restaurantsQuery) { Console.WriteLine("{0} {1} ", result.Id, result.name); }

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