Continuing more searches , I found this explanation against change 
propagation and more particulary ngFor I am suing to create my table.
https://angular.io/api/common/NgForOf#change-propagation

Using trackBy may then help solving this issue.


Le vendredi 5 avril 2019 15:06:36 UTC+2, Stéphane Ancelot a écrit :
>
> Hi,
>
> I have got a list of components organized in table rows.
>
> each time a row is modifed, the data are sent to the backend and returned 
> back to the application with updated fields.
>
> the view is rebuilt with these data and my focus lost.
>
> The problem is that I will have to focus again the field that was selected 
> before the view was rebuilt with the new data.
>
> Regards,
> S.Ancelot
>
>

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