now i want that whn i select the check box in the header renderer all the check boxes should be checked as what we see in our inbox
How to achieve this..basically looking to delete all records on button click which will delete records based on the check box selection
You should always go to the ADG data provider to accomplish this sort of thing.
So in the header checkbox change handler, iterate through all the data provider records, and set the data field for the checkbox to whatever indicates it should be selected, true, yes, Y, etc. The ADV will update automatically.
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