I've never done this myself, but I think that the "Toggle deleteion mark" option must be defined in a menu or shortcut (visible or not) to be accessible via the CTRL-T shortcut.

>Thanks but i tried this , still it's not working.
>
>i ran this prg.
>
>set sysmenu off
>on key label CTRL+T Sys(1500, "_MRC_DELET", "_MDATA")
>use abcd.dbf
>brow
>
>can you try it ?