When you add a parameter named _ScheduledTime to a JRXML report design in Jaspersoft Studio, and then schedule the report to run in JasperReports Server, the output includes a date/time stamp showing when the report ran. The following procedure describes how to set up and use this parameter:
To display the date/time that the report ran:
| 1. | Launch Jaspersoft Studio, and open an existing report. |
| 2. | In the Outline view, right-click Parameters, and select Create Parameter. |
| 3. | Rename the parameter _ScheduledTime. |
The new parameter appears in the outline view.
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| _ScheduledTime Parameter in Outline View |
| 4. | Set the following parameter properties: |
| • | Is for Prompting = unchecked |
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| _ScheduledTime Parameter Properties |
| 5. | Drag the _ScheduledTime element from the Outline View to a valid location, such as the Title Band, in the Designer: |
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| Report Design Includes the _ScheduledTime Parameter Element |
| 6. | Now you can set other properties, such as the text color of the date/time stamp. In Properties, check Blank when Null to prevent the word null from appearing on the report when it runs unscheduled. |
| 8. | In the server, schedule the report to run immediately. |
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| Output Showing the Scheduled Time the Report Actually Ran |
The date and time the report actually ran appears in the output, as well as the scheduled time. In the screenshot above there was a 13-second delay between the scheduled start time and the actual run time.
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