If the TextArea component is used within an EditorTemplate of a grid column, edit mode is always closed upon hitting ENTER.  The thing is that I'm using the TextArea to allow the user to input several lines.  Upon Enter the user wants to move to a new line within the TextArea and not to finish the edit mode.

Regards,

René

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ADMIN EDIT

For the time being I can offer using the popup editing or a custom external edit form (inline or popup).

Another workaround would be to stop the keydown event propagation so the grid/treelist cannot consume it and close the cell:

        <TreeListColumn Field="EmailAddress" Width="220px">
            <EditorTemplate>
                @{
                    CurrentlyEditedEmployee = context as Employee;
                    <div @onkeydown:stopPropagation="true">
                        <TelerikTextArea @bind-Value="@CurrentlyEditedEmployee.EmailAddress"></TelerikTextArea>
                    </div>
                }
            </EditorTemplate>
        </TreeListColumn>

It is possible that the grid might stop handling Enter when editor templates are present so you can use the events from the custom editor as desired to invoke the save operation. This could happen through the following request: https://feedback.telerik.com/blazor/1493770-ability-to-prevent-multiple-calls-of-async-updatehandler-when-pressing-enter-in-incell-edit-mode. With or without it, it is highly likely that the approach of preventing the event propagation is the correct one because the grid cannot know what the editor template contains and handle events differently based on that.

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