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Sample - https://www.syncfusion.com/downloads/support/directtrac/general/ze/Sprbrk.Demo947458399
1.Run the above sample.
2. Now expand the detail template and edit any records.
3. Now the edited cells will be highlighted. Now collapse the detail template. Here we need to provide an event by passing the corresponding record details and so we can able to call the EndEdit method with the corresponding grid reference to save the modified data.