How to make an checkbox editable and uneditable within a single alv output.

Hi,

How to make an checkbox editable and uneditable within a single alv output depending on condition.

I have used Reuse_alv_grid_display.

In my output every checkbox is editable. i have used edit = 'X'.

I want editable checkbox for correct value and uneditable checkbox for incorrect value in a single alv