John,

Why are you manually asigning the value of the combo? If the rowdSource of the combo points to the table, you shouldn't have to do this.

What are the rowSourceType, rowSource, and controlSource of the combo?

What is the
>Hi,
>Thank you for suggestion. I have do the following for debugging. But AI can't understand why it beahve so.
>
>

>*--Codes to find record
>
>WITH THISFORM
>     SET STEP ON    && at this point, combobox is displaying previous value
>     .mycombo.VALUE = LEFT(mytable.myvalue, 3)   && combobox become empty
>
>      ......
>ENDWITH
>
>

>
>If I re-execute the
>.mycombo.VALUE = LEFT(mytable.myvalue, 3)
>
>from debugger, the value will appear back.