>Hi,
>
>the following code store in refresh method of the column ?
>
>.dynamiccurrentcontrol="iif(myfield=1,[checkboxenabled],[checkboxdisabled])"

No, it should be done before the grid is shown, so it should go into .init() - of the column or the grid. I prefer the latter, so it's easier to find when editing, and in runtime it runs after all the .init() code in columns and controls, so there's no guessing at what runs in which order.