Use the CData ODBC Driver for SAP Netweaver Gateway from SharePoint Excel Services

The CData ODBC Driver for SAP Netweaver Gateway can be accessed using the built-in data access tools in Excel. This article demonstrates how to use the CData ODBC Driver for SAP Netweaver Gateway to connect to SAP Netweaver Gateway data from Excel spreadsheets in on-premises editions of SharePoint.

Connect to SAP Netweaver Gateway as an ODBC Data Source

If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.

SAP Gateway allows both basic and OAuth 2.0 authentication. You can use basic authentication to connect to your own account, or you can use OAuth to enable other users to retrieve data from your service with their accounts. In addition to authenticating, set the following connection properties to access SAP Gateway tables.

• Url: Set this to the URL of your environment, or to the full URL of the service. For example, the full URL might appear as: https://sapes5.sapdevcenter.com/sap/opu/odata/IWBEP/GWSAMPLE_BASIC/. In this example, the environment URL would just be: https://sapes5.sapdevcenter.com.
• Namespace: Set the appropriate Service Namespace. In the example above, IWBEP is the namespace. It is optional if the full URL to the service is specified.
• Service: Set this to the service you want to retrieve data from. In the example above, the service is GWSAMPLE_BASIC. It is not required if the full URL is specified.

Authenticate via Basic Authentication

In basic authentication, you use your login credentials to connect. Set the following properties:

• User: This is the username you use to log in to SAP Gateway.
• Password: This is the password you use to log in to SAP Gateway.

Authenticate via OAuth Authentication

You can connect to SAP Gateway using the embedded OAuth connectivity (without setting any additional authentication connection properties). When you connect, the OAuth endpoint opens in your browser. Log in and grant permissions to complete the OAuth process. See the OAuth section in the online Help documentation for more information on other OAuth authentication flows.

Configure Excel Services

Once the ODBC DSN is configured, you can configure Excel Services to use the DSN to connect. To do this, you will need to set up the OLE DB provider as a trusted data source. You will also want to decide if you want to use a Secure Store Service to enable single sign-on functionality with the ODBC driver. If you prefer, you can use the Excel Services Unattended account and skip to step 3 below.

1. First, set up a secure store application to use single sign-on. In SharePoint Central Administration, go to Application Management -> Manage Service Applications. Select your secure store service application or create a new one. Click Manage on the Edit menu to begin editing the application.
2. Create a new target application. You will be able to set the list of users who have access to this application. After the application is created, you will need to set the credentials on the application so that you can use this later for single sign-on.
3. Navigate to Application Management -> Manage Service Applications in SharePoint Central Administration. Select the Excel Services application used by your organization or create one if it does not already exist. Click Manage. If you create a new app, check the option to add the service application's proxy to the farm's default proxy list.
4. Click on Trusted Data Providers and add a new trusted provider. Set 'MSDASQL.1' for the Provider ID and leave the type as 'OLE DB'. Click OK to add this new provider to the list of trusted providers.

Connect to and Import SAP Netweaver Gateway Data in Excel

After you have enabled and secured access to the DSN, you can access the data source from the ribbon in Excel.

1. In an Excel spreadsheet, open the Data tab and click From Other Sources -> From Data Connection Wizard.
2. Select 'Other/Advanced' for the type and on the next screen, select the 'Microsoft OLE DB Provider for ODBC Drivers'. On the Connection tab, select CData SAPGateway Sys, the system DSN. The driver installation automatically creates matching user and system DSNs: The system DSN is needed to connect from SharePoint.
3. Select the table you would like to connect to.
4. On the last step of the wizard, click the 'Authentication Settings' button. Select the 'Use a stored account' and enter the name of the secure store target application you created earlier. Or, if you want to use the Unattended Service Account, select None.
5. After you finish the wizard, the data is imported into the spreadsheet. You can now update and save SAP Netweaver Gateway data directly in SharePoint.