In a navigable Grid with incell edit, if a column has Editable=false the tabbing behavior is as follows: while the user is editing the previous editable cell pressing tab results in skipping the non-editable cell and moving the focus to the next editable cell to open it for edit.

However, the behavior is different when cancelling the editing through the OnEdit event. In this case, while the user is editing the previous editable cell pressing tab results in exiting the edit and keeping the focus to the cell. Subsequent tab press moves to focus to the pager.

Reproduction: https://blazorrepl.telerik.com/mykLFEFJ14mlqei429.

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ADMIN EDIT

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A possible option for the time being is to cancel the edit as shown in the example above but also force the Grid to enter edit of the next editable cell. You can do that through the State: Enter and Exit Grid Edit Mode Programmatically.

Here is a basic example, you may adjust it as needed to fit your exact requirements: https://blazorrepl.telerik.com/mSuLPAFP05HRs7B555.