Hey Canh,

Use NewObject instead of AddObject:

thisform.NewObject(<<objectname>>, 'oleExcelObject', <<path and filename of .prg>>)

Aloha,

James
>Hi everybody!
>When I run a form and I would like add an object from the class that is defined programmatically with codes following:
>
>DEFINE CLASS oleExcelObject as OLEControl
> OleClass ="Excel.Sheet" && Server name
> DocumentFile = "test.xls" && This file must exist
>ENDDEFINE
>thisform.AddObject("Excel", "oleExcelObject ")
>
>
>I set these codes in init method or another method , I get an error.
>How to add object from define class when the form runtime?
>Please help me.
>Thanks
>Canh