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Working with ServiceNow Data in LINQPad
Execute LINQ queries to ServiceNow data in LINQPad.
The CData ADO.NET Provider for ServiceNow enables you to use standard ADO.NET interfaces like LINQ and the Entity Framework to work with ServiceNow data. This article will demonstrate the process of establishing a connection from LINQPad and executing LINQ queries.
About ServiceNow Data Integration
CData simplifies access and integration of live ServiceNow data. Our customers leverage CData connectivity to:
- Get optimized performance since CData uses the REST API for data and the SOAP API for schema.
- Read, write, update, and delete ServiceNow objects like Schedules, Timelines, Questions, Syslogs and more.
- Use SQL stored procedures for actions like adding items to a cart, submitting orders, and downloading attachments.
- Securely authenticate with ServiceNow, including basic (username and password), OKTA, ADFS, OneLogin, and PingFederate authentication schemes.
Many users access live ServiceNow data from preferred analytics tools like Tableau, Power BI, and Excel, and use CData solutions to integrate ServiceNow data with their database or data warehouse.
Getting Started
Create the Data Model
After downloading and installing both the provider and LINQPad, create a new class library project within Visual Studio.
See the help documentation for a guide to setting up an EF 6 project to use the provider.
Right-click your project and click Add -> New Item -> ADO.NET Entity Data Model. In the resulting dialog, select Code First from database. Click New Connection and specify the connection string options in the resulting wizard.
ServiceNow uses the OAuth 2.0 authentication standard. To authenticate using OAuth, you will need to register an OAuth app with ServiceNow to obtain the OAuthClientId and OAuthClientSecret connection properties. In addition to the OAuth values, you will need to specify the Instance, Username, and Password connection properties.
See the "Getting Started" chapter in the help documentation for a guide on connecting to ServiceNow.
Below is a typical connection string:
OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;Username=MyUsername;Password=MyPassword;Instance=MyInstance;![]( "The required connection properties in the Entity Data Model Configuration Wizard. (JSON is shown.)")
Select the desired tables and views and click Finish to create the data model.
![]( "The last step of the Entity Data Model Configuration Wizard, where tables are imported into the entity model.")
- Build the project. The generated files can be used to create the ServiceNow connection in LINQPad.
Connect to ServiceNow Data in LINQPad
After you have obtained the required connection properties and created the data model assembly, follow the steps below to start using the data model in LINQPad.
Open LINQPad and click Add Connection.
Select the "Use a typed data context from your own assembly" option.
Select Entity Framework DbContext.
![]( "The Choose Data Context dialog.")
Click Browse next to the Path to Custom Assembly box and browse to your project folder. Browse to the .dll or .exe under the bin folder.
- Select the name of the DbContext.
- If you saved your connection string in App.Config, specify the path to the App.config.
You can now query ServiceNow data through LINQPad. For examples of the supported LINQ queries, see the "LINQ and Entity Framework" chapter in the help documentation.
Ready to get started?
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ServiceNow ADO.NET Provider
Rapidly create and deploy powerful .NET applications that integrate with ServiceNow data including Schedules, Timelines, Questions, Syslogs, and more!
