Hi Sharizan,
Yes, it is possible to set the default date before dashboard rendered, once it is rendered it is possible to change the dates. Please find the steps below.
1.After binded the Data, click properties like in the below screen shot.
2.Once you have clicked the properties, Select Range from the selection Type
3.Click the settings Icon and choose Relative Dates from the list
4. you could choose the relative Date based on year, week, days and Add those lists and apply it.
5.Choose the relative Date and “Apply” it and now preview the Dashboard.
6. Now the relative date changes will be reflected in the Dashboard rendered in the browser. you can later change the date again in the control and it will be reflected in the Slave Controls.
Please let us know if you have further queries.
Regards,
Sathishkumar S.