How to make a date prompt empty by default in Cognos Analytics

1. Open Cognos Analytics in a browser.

2. Select  ‘New’ and select the ‘Report’ option.

3. Choose any template for the report and select ‘OK’.

4. Select the Toolbox icon in the left side panel.

5. Expand the ‘PROMPTING’ option and drag the ‘Date prompt’ to the report.

6. Select ‘Finish’.

7. Select the Date Prompt and click on the Properties icon in the top right corner of the screen.

8. Under properties, change the option ‘SELECT UI’ from “Calendar” to “Edit Box”. Also, from the Properties window change the ‘Miscellaneous Name’ to ‘DatePrompt’.

9. Expand the ‘ADVANCED’ option in the toolbox panel.

10. Drag the ‘HTML ITEM’ and drop it to the right of the Date Prompt.

11. Select the ellipsis(three dots) for the HTML item and choose the ‘Edit HTML’ option.

12. A ‘HTML’ dialog box opens. Enter the following JavaScript in the HTML dialog box:

<script language="javascript">
var formWR = getFormWarpRequest();
var dateTxtPrompt = formWR.txtDateDatePrompt
dateTxtPrompt.value=' ';
</script>

13. Set the Report property Run with full interactivity = No 

14. Run the report and you should be able to see the date prompt with an empty value.