>>
>>try
>>

>>column.sparse = .F.
>>column.Bound  = .F.
>>

>>
>>Field's datatype is ?
>This is the main problem, one table is Logical, the other (which gives the problem) is Numerical.
>
>if I set column.bound = .F., the checkbox is always unchecked, even for the ones that are suppose to be checked.
>

with column.bound = .F. you have to fill the checkbox.Controlsource.

>sparse is already set to .F.
>
>Thanks.