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Grid with Virtualization displays grouped columns collapsed

I have a Grid with a lot of data and would like to improve the performance when displaying the rows.
The Grid is limited to the viewport height, so a vertical scrollbar is added in the Grid.

I have a single Group per default and not showing the group DropArea.

If I enable Virtualization the groupings a displayed collapsed. I don't enable virtualization they are not displayed collapsed.

Can I change this behaviour?

SyncFusion v18.4.0.43


1 Reply 1 reply marked as answer
RS Renjith Singh Rajendran Syncfusion Team February 23, 2021 12:15 PM UTC

Hi Michael, 

Greetings from Syncfusion support. 

By default, to improve Grid performance, the grouped rows will be rendered in collapsed state for a virtual scroll grid. But you programmatically expand the grouped records by calling the GroupExpandAll method. But currently we are facing difficulties when using the GroupExpandAll method to expand rows in virtual grid. 

So, we have confirmed this as a defect and logged the defect report “GroupExpandAll is not working in grouped virtual grid”. At Syncfusion, we are committed to fixing all validated defects (subject to technological feasibility and Product Development Life Cycle) and including the defect fix in our upcoming bi-weekly release which is expected to be rolled out by the end of March 2021. 
 
You can now track the current status of your request, review the proposed resolution timeline, and contact us for any further inquiries through this link.     

Regards, 
Renjith Singh Rajendran 



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