If you set a parameter to be used as a prompt, when executing the report, Jaspersoft Studio asks for the value of the parameter.
To create a parameter prompt:
Create a simple report with the template Blank A4, name ParameterExample and data adapter One Empty Record - Empty Rows.
| 1. | In this report create a parameter and rename it (from its properties tab) to MESSAGE, with type java.lang.String, and select the Is For Prompting) checkbox. |
| 2. | Drag the parameter from the outline view into the Title band. Jaspersoft Studio creates a text field to display the parameter value. You should have something like the following image. |
| Parameter in Title Band |
| |
To compile and preview the report:
| 1. | Click the Preview tab. |
Be sure the Input Parameter window is open. If not, click the gray right-arrow to the left of the Preview screen.
| 2. | Add a value for the MESSAGE parameter. For this example, type Parameter Example. |
| 3. | Press the Play button. The message is printed in the title band. |
| Preview Tab with Parameter Value |
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Jaspersoft Studio provides input dialogs for parameters of type String, Date, Time, Number, and Collection.
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