Is there anyway we can find the selected rows and its data, before any action performed (like add, remove, modified). Please provide a code example of that function or listener.
Basically we need to remove bulk records as we have to push the unique id's of records in an array and then pass this to the server side functions to remove the records in bulk.
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Is there anyway we can find the selected rows and its data
Sure, please see docs: https://bryntum.com/products/grid/docs/api/Grid/view/mixin/GridSelection#property-selectedRecords
grid.selectedRecords