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Connect to Excel Online Data from PowerBuilder

This article demonstrates how to access Excel Online data from PowerBuilder using the Excel Online JDBC Driver.

The CData JDBC Driver for Excel Online is a standards-based control that can be used from any platform or development technology that supports JDBC, including PowerBuilder. This article shows how to use the CData JDBC Driver for Excel Online in PowerBuilder.

This article shows how to create a basic PowerBuilder application that uses the CData JDBC Driver for Excel Online to perform reads and writes.

Connect to Excel Online Data from PowerBuilder

Follow the steps below to use the Database Painter tool to create a database profile based on an JDBC URL for Excel Online. You can use a database profile to save connection properties. In the Database Painter, you can graphically manipulate data as well as execute SQL queries.

  1. Add the driver JAR to the PowerBuilder classpath. Set the CLASSPATH system environment variable to the path to the driver JAR, located in the lib subfolder of the installation directory.

    Note: If you are using PowerBuilder Classic, you can also add the path to the driver JAR by clicking Tools -> System Options -> Java.

  2. Click Tools -> Database Painter.
  3. Right-click the JDBC node and click New Profile.
  4. In the Database Profile Setup dialog, enter the following:
    • Profile Name: Enter a user-friendly name for the profile.
    • Driver Name: Enter the class name of the driver, cdata.jdbc.excelonline.ExcelOnlineDriver
    • URL: Enter the JDBC URL.

      You can connect to a workbook by providing authentication to Excel Online and then setting the following properties:

      • Workbook: Set this to the name or Id of the workbook.

        If you want to view a list of information about the available workbooks, execute a query to the Workbooks view after you authenticate.

      • UseSandbox: Set this to true if you are connecting to a workbook in a sandbox account. Otherwise, leave this blank to connect to a production account.

      You use the OAuth authentication standard to authenticate to Excel Online. See the Getting Started section in the help documentation for a guide. Getting Started also guides you through executing SQL to worksheets and ranges.

      Built-in Connection String Designer

      For assistance in constructing the JDBC URL, use the connection string designer built into the Excel Online JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

      java -jar cdata.jdbc.excelonline.jar

      Fill in the connection properties and copy the connection string to the clipboard. A typical JDBC URL is below:

      jdbc:excelonline:InitiateOAuth=GETANDREFRESH
  5. To view and modify a table, right-click a table and then click Edit Data -> Grid.

Using Excel Online Data with PowerBuilder Controls

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

SQLCA.DBMS = "JDBC" SQLCA.AutoCommit = False SQLCA.DBParm = "Driver='cdata.jdbc.excelonline.ExcelOnlineDriver',URL='jdbc:excelonline:InitiateOAuth=GETANDREFRESH"; CONNECT USING SQLCA; dw_test_xlsx_sheet1.SetTransObject(SQLCA); dw_test_xlsx_sheet1.Retrieve();