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Checkbox in group caption with detail template bloc the propagation

Hi Team,

Based on Sujith Kumar Rajkumar angular sample in 

https://www.syncfusion.com/forums/145551/can-i-put-a-checkbox-in-groupcaption-to-select-unselect-records-within-the-group

We add a simple detail template in the grid

<ng-template #detailTemplate let-data>
            <div>test</div>
        </ng-template>

If we check the group checkbox then, it propagates to the rows.

angular-vgckor-cyb9d7-4.PNG


But if we open the third child detailTemplate for example, then the group check only propagates the check/uncheck to that child, even if we close this detailTemplate.

angular-vgckor-cyb9d7-5.PNG


If we open and close the fourth child detailTemplate, the group check only propagates ito the first three.

angular-vgckor-cyb9d7-6.PNG

But if we open and close the second child detailTemplate, the propagation is on the first two !

angular-vgckor-cyb9d7-7.PNG


The header checkbox can always check/uncheck all but without refresh, in our example the "Country" group check will only check the two first.


You'll find the project archive in attachment


Regards,