Connect to Open Exchange Rates Data from PowerBuilder

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Open Exchange Rates ODBC Driver

The Open Exchange Rates ODBC Driver is a powerful tool that allows you to connect with live Open Exchange Rates Currency data, directly from any applications that support ODBC connectivity.

With the Open Exchange Rates ODBC Driver, accessing real-time currency exchange data is as easy as querying a database.



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

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

Connect to Open Exchange Rates 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.

The Open Exchange Rates API supports basic authentication with an App Id. After you register, your App Id is displayed in your account dashboard. Set this to the AppId connection property.

Create a Profile for the ODBC Driver for Open Exchange Rates

Follow the steps below to use the Database Painter tool to create a database profile based on an ODBC DSN (data source name) for Open Exchange Rates. In the Database Painter, you can use wizards and the UI to work with Open Exchange Rates 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 Open Exchange Rates DSN in the Data Source menu.
  4. To view and modify a table, right-click a table and then click Edit Data -> Grid.

Using Open Exchange Rates 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 Open Exchange Rates data into a DataWindow. You can add the following code to the open method:

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