Dashboard data refresh based on excel source file

[Janakiramanmani]

When I change the data in the source file, the dashboard should display the data based on that file.
Please help me how to do it in Splunk Dashboard.

[493669]

you can refresh your search query :

<search>
     <query>
     </query>
     <earliest></earliest>
     <latest></latest>
     <sampleRatio></sampleRatio>
     <refresh>1m</refresh>
   </search>