>>Hi Ed,
>> When I process the code ,It has error said property oMainForm cannot be found.
>> And the program pause at
>> this.oMainForm = toParentObject
>>
>> Do you know why ?
>
>Did you create a form property in Replace called oMainForm? If not, you have to do that before you can use it.
>
>>JK
>>>
>>>DO FORM REPLACE
>>>
>>>Replace as modified now accepts a parameter, the name of the object it's going to update, so from within MainForm:
>>>
>>>DO FORM REPLACE WITH thisform
>>>
>>>passes the object reference for the current form as a parameter.

O ! ic ,thanx a lot for help Ed,that's what make me confuse.