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Easy-to-use Smartsheet client enables .NET-based applications to easily consume Smartsheet Sheets, Contacts, Folders, Groups, Users, etc.

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LINQ to Smartsheet 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 Smartsheet Data Provider.

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

  4. Enter your data source connection information.

    Smartsheet uses the OAuth authentication standard. To authenticate using OAuth, you will need to register an app to obtain the OAuthClientId, OAuthClientSecret, and CallbackURL connection properties.

    However, for testing purposes you can instead use the Personal Access Token you get when you create an application; set this to the OAuthAccessToken connection property.

    Below is a typical connection string:

    OAuthClientId=MyOauthClientId;OAuthClientSecret=MyOAuthClientSecret;CallbackURL=http://localhost:33333;InitiateOAuth=GETANDREFRESH
  5. If saving your entity connection to App.Config, set an entity name. In this example we are setting SmartsheetEntities 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:

SmartsheetEntities context = new SmartsheetEntities(); var sheet_event_plan_budgetQuery = from sheet_event_plan_budget in context.Sheet_Event_Plan_Budget select sheet_event_plan_budget; foreach (var result in sheet_event_plan_budgetQuery) { Console.WriteLine("{0} {1} ", result.Id, result.TaskName); }

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