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Connect to live data from ConstantContact with the API Driver

Connect to ConstantContact

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Connect to ConstantContact Data from PowerBuilder


This article demonstrates how to use the CData ODBC Driver for ConstantContact to connect to ConstantContact data and execute queries in PowerBuilder.

The CData ODBC Driver for ConstantContact can be used from any platform or development technology that supports ODBC, including PowerBuilder. This article shows how to connect to ConstantContact data and execute queries from the Database Painter and controls such as the DataWindow.

Connect to ConstantContact 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.

Start by setting the Profile connection property to the location of the ConstantContact Profile on disk (e.g. C:\profiles\ConstantContact.apip). Next, set the ProfileSettings connection property to the connection string for Profile (see below).

ConstantContact API Profile Settings

ConstantContact uses OAuth-based authentication.

First, you will need to register an OAuth application with ConstantContact. You can do so from the ConstantContact API Guide (https://v3.developer.constantcontact.com/api_guide/index.html), under "MyApplications" > "New Application". Your Oauth application will be assigned a client id (API Key) and you can generate a client secret (Secret).

After setting the following connection properties, you are ready to connect:

  • AuthScheme: Set this to OAuth.
  • InitiateOAuth: Set this to GETANDREFRESH. You can use InitiateOAuth to manage the process to obtain the OAuthAccessToken.
  • OAuthClientId: Set this to the client_id that is specified in you app settings.
  • OAuthClientSecret: Set this to the client_secret that is specified in you app settings.
  • CallbackURL: Set this to the Redirect URI you specified in your app settings.

Create a Profile for the ODBC Driver for ConstantContact

Follow the steps below to use the Database Painter tool to create a database profile based on an ODBC DSN (data source name) for ConstantContact. In the Database Painter, you can use wizards and the UI to work with ConstantContact data.

  1. In PowerBuilder, click Tools -> Database Painter.
  2. In the Objects window in the Database Painter, right-click the ODBC node and click New Profile.
  3. On the Connection tab, enter a name for the profile and select the ConstantContact DSN in the Data Source menu.
  4. To view and modify a table, right-click a table and then click Edit Data -> Grid.

Using ConstantContact Data with PowerBuilder Controls

You can use standard PowerBuilder objects to connect to ODBC data sources and execute queries. The following example shows how to retrieve ConstantContact data into a DataWindow. You can add the following code to the open method:

SQLCA.DBMS = "ODBC" SQLCA.DBParm = "ConnectString='DSN=CData API Source'" CONNECT USING SQLCA; dw_contacts.SetTransObject(SQLCA); dw_contacts.Retrieve();