Help with form coding

L

Ling

I have a form here which I want to view in datasheet view.
In this form, there is a Qty field.
eg:

Qty Total (Shld be accumulating)
----- -------
20 20
40 60

I would like to have the output as above..How do I do so?
Now, the total column just shows 60 at both rows.

Thanx for any help

Ling
 
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