Last Updated: 30 Apr 2021 11:11 by ADMIN
Scheduled for 3.0.0
Created on: 04 Nov 2020 10:48
Category: Grid
Type: Feature Request
Ability to prevent multiple calls of async UpdateHandler when pressing enter in InCell edit mode 

I am using an EditorTemplate with a method called ChangeHandler(). After clicking in another row everything works fine but if I leave the cell by pressing enter the UpdateHandler gets called more than two times and comparing args.Item with the GridItem doesn't help because the calls are asynchronous.


Admin Edit

With 2.22.0, the InCell editing mode was revamped to provide better user experience and this alters the way it worked. In the common case, there will no longer be double OnUpdate calls (unless explicit application logic invokes them). With 2.23.0, Tab and Enter keys that bubble from editor templates will be handled by the grid like they are handled for the built-in editors.

This means that this issue is, effectively, solved. You can see the Notes section about editor templates to see how you can also handle the OnBlur event to capture mouse clicks outside of the component so that you can save changes and remove the edited item. See the full notes here (the Event Sequence section was heavily revamped for clarity) and here on editor template behavior.

Thus, the previous ides about  Save and Cancel methods on the edit context might not be implemented, which will also be one breaking change that we could avoid:

After discussion with the development team, the proposed resolution is to provide a context that provides Save/Cancel operations. The goal is to provide easier configuration for IncellEditing and EditorTemplates and consistent behavior with mouse and keyboard interaction. However, the change will introduce a breaking change in our EditorTemplate, should be researched further and that is why this is logged as a feature request.


1 comment
Marin Bratanov
Posted on: 16 Mar 2021 08:43

To all following this, the situation has been updated in 2.22.0 and more improvements are coming in 2.23.0 that may render this request unnecessary and avoid a breaking change. Please review the admin edit in the opener post for the new information.


Marin Bratanov
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