Publish Reports with Google Calendar Data in Crystal Reports

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Google Calendars ODBC Driver

The Google Calendars ODBC Driver is a powerful tool that allows you to connect with live data from Google Calendars, directly from any applications that support ODBC connectivity.

Access Google Calendars data like you would a database, including Calendars, Events, Attendees, etc. through a standard ODBC Driver interface.

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Use the Report Wizard to design a report based on up-to-date Google Calendar data.

Crystal Reports has many options for offloading data processing to remote data; this enables real-time reporting. The CData ODBC Driver for Google Calendar brings this capability to Crystal Reports. This article shows how to create a report on Google Calendar data that refreshes when you run the report.

Connect to Google Calendar Data

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.

You can connect to Google APIs on behalf of individual users or on behalf of a domain. Google uses the OAuth authentication standard. See the "Getting Started" section of the help documentation for a guide.

When you configure the DSN, you may also want to set the Max Rows connection property. This will limit the number of rows returned, which is especially helpful for improving performance when designing reports and visualizations.

You can then follow the procedure below to use the Report Wizard to create the Google Calendar connection.

  1. In a new report, click Create New Connection -> ODBC.

  2. In the resulting wizard, click Select Data Source and select the DSN in the Data Source Name menu.

Design a Report

After adding a ODBC connection to Google Calendar, you can then use the Report Wizard to add Google Calendar data to your report.

  1. Click File -> New -> Standard Report.
  2. Expand the ODBC node under Create New Connection and double-click Make a New Connection.

  3. Configure the data source by selecting the tables and fields needed in the report. This example uses the Summary and StartDateTime columns from the VacationCalendar table.

You can then configure grouping, sorting, and summaries. For example, this article groups on Summary and summarizes on StartDateTime. See the following section to use the aggregate and summary to create a chart.

Create a Chart

After selecting a column to group by, the Standard Report Creation Wizard presents the option to create a chart. Follow the steps below to create a chart that aggregates the values in the Summary column.

  1. In the Standard Report Creation Wizard, select the Bar Chart option and select the column you grouped by, Summary in this example, in the On Change Of menu.
  2. In the Show Summary menu, select the summary you created.
  3. Select filters and a template, as needed, to finish the wizard.

Preview the finished report to view the chart, populated with your data. If you want to filter out null values, use a SelectionFormula.

Working with Remote Data

To ensure that you see updates to volatile data, click File and clear the "Save Data with Report" option. As you interact with the report, for example, drilling down to hidden details, Crystal Reports executes SQL queries to retrieve the data needed to display the report. To reload data you have already retrieved, refresh or rerun the report.