on the "IF" line I am getting a operator / operation mismatch
<- in the prev command buttoin
THISFORM.REFRESH
WITH THISFORM
FOR n_count = 1 TO .list1.LISTCOUNT
IF .list1.LIST(n_count) == ThisForm.txtInvoice_numb.value
.list1.SELECTED(.list1.LISTINDEX) = .T.
EXIT
ENDIF
ENDFOR
*NEXT
ENDWITH