>Hello everone:
> Sometimes We use the following clause to define the rowsource of combol;
> sele ***** from table into array mmm
> thisform.combol.rowsouce='mmm'
> In fact the array mmm didn't need define,but sometimes the combol didn't got the rowsource ,it's why?
>Thank you.

To get consistent results the array should be in the scope as long as form runs. You can add property 'myarray' to the form and use it as rowsousrce of the combobox

select * from table into array Thisform.myarray 
thisform.combol.rowsouce = thisform.myarray