Does it work now? If not, post your code here and me (or somebody else) will tell you it doesn't work.

Vlad

>A thousand thanks Vlad. I have tried to figure out the whole morning and could
>not get it work.
>
>Samuel
>
>
>>
>>In the Valid method of the txtSales:
>>
>>* Your calculations here
>>...
>>ThisForm.txtGst.Value = ... && Your values here
>>
>>Vlad
>>
>>>I'm very new to VFP 5.0.
>>>Can anyone help me on this:
>>>
>>>I have 2 textbox. txtSales and txtGst
>>>
>>>1. My intention was to key in the sale figures into "txtsales". When the
>>users press enter after keying the sales figures, I want to do some
>>background caculation and display in "txtgst" textbox without user keying.
>>Can anybody show me how?
>>>
>>>Many thanks.
>>>
>>>
>>>From Samuel Chan