Did you add the checkboxes "visually" at design time, or rather programmatically at runtime?
If the latter, my guess would be a missing grid.ColumnX.Check1.Visible=.T.


hth
-Stefan

>In my form Load method, I create a cursor:
>

>CREATE CURSOR USERS (USERNAME C(30), LOCK L, userid n(5,0), sendmsg L)
>

>
>I have a grid on my form that is bound to this cursor. The grid has 3 columns, two of which are using checkbox controls as their Current Control value. The checkbox columns both have sparse = .F.. Both checkbox columns have ReadOnly = .F. while the last column (with the default textbox control and sparse = .T.) has ReadOnly = .T.. The grid itself is set to ReadOnly = .F.
>
>When I run my form, the checkboxes appear correctly (much rejoicing) but I'm not able to check/uncheck either of the checkboxes in any of the rows.
>
>What do I need to do to be able to allow the checkboxes to be checked/unchecked?
>
>Thanks for your help.