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Use the API Server and Gmail ADO.NET Provider to Access Gmail Data in Microsoft PowerPivot
Use the API Server to connect to live Gmail data in the PowerPivot business intelligence tool.
This article will explain how to use the API Server and the ADO.NET Provider for Gmail (or any of 200+ other ADO.NET Providers) to provide Gmail data as OData services and then consume the data in Microsoft Excel's PowerPivot business intelligence tool. Follow the steps below to retrieve and edit Gmail data in Power Pivot.
Set Up the API Server
Follow the steps below to begin producing secure Gmail OData services:
Deploy
The API Server runs on your own server. On Windows, you can deploy using the stand-alone server or IIS. On a Java servlet container, drop in the API Server WAR file. See the help documentation for more information and how-tos.
The API Server is also easy to deploy on Microsoft Azure, Amazon EC2, and Heroku.
Connect to Gmail
After you deploy the API Server and the ADO.NET Provider for Gmail, provide authentication values and other connection properties needed to connect to Gmail by clicking Settings -> Connections and adding a new connection in the API Server administration console.
There are two ways to authenticate to Gmail. Before selecting one, first ensure that you have enabled IMAP access in your Gmail account settings. See the "Connecting to Gmail" section under "Getting Started" in the installed documentation for a guide.
The User and Password properties, under the Authentication section, can be set to valid Gmail user credentials.
Alternatively, instead of providing the Password, you can use the OAuth authentication standard. To access Google APIs on behalf on individual users, you can use the embedded credentials or you can register your own OAuth app.
OAuth also enables you to use a service account to connect on behalf of users in a Google Apps domain. To authenticate with a service account, register an application to obtain the OAuth JWT values.
In addition to the OAuth values, provide the User. See the "Getting Started" chapter in the help documentation for a guide to using OAuth.
You can then choose the Gmail entities you want to allow the API Server access to by clicking Settings -> Resources.
Additionally, click Settings -> Server and set the Default Format to XML (Atom) for compatibility with Excel.
Authorize API Server Users
After determining the OData services you want to produce, authorize users by clicking Settings -> Users. The API Server uses authtoken-based authentication and supports the major authentication schemes. Access can also be restricted based on IP address; by default, only connections to the local machine are allowed. You can authenticate as well as encrypt connections with SSL.
Import Gmail Tables in Power Pivot
Follow the steps below to import tables that can be refreshed on demand:
- In Excel, click the PowerPivot Window icon in the PowerPivot tab to open PowerPivot.
- Click Home -> Get External Data -> From Data Service -> From OData Data Feed.
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Add authentication parameters. Click Advanced and set the Integrated Security option to Basic. You will need to enter the User Id and Password of a user who has access to the CData API Server. Set the password to the user's authtoken.
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In the Base URL box, enter the OData URL of the CData API Server. For example, http://localhost:8032/api.rsc.
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Select which tables you want to import and click Finish.
You can now work with Gmail data in Power Pivot.
