I have this form:
And a method in the 'Customer' controller:
After I click the "Search" button (which will take into account the start and end date fields to fetch the data), I'd like to update the 'dataSource' for the parent grid and the child grid. As you can see, the data I need for the parent grid already has data that I need for the child grid so I cannot do a new action call to populate the child grid. How do I accomplish this?