Thank you Craig Mcguff and Peter De Valenca for your help.
It worked!

>Better?!
>

>IF nKeyCode = 13
>    KEYBOARD '{DNARROW}'
>    nodefault
>ENDIF	
>

>
>>Terry, put the following code in the keypress event of the control in the column (textbox presumably)
>>

>>IF nKeyCode = 13
>>    KEYBOARD '{DNARROW}'
>>ENDIF	
>>

>>
>>>>I have a multi-column GRID with only 1 of the
>>columns that will be used to enter data. I have
>>disabled / read-only all other columns except the
>>data entry column. When I enter data and press the
>>enter key, the FOCUS remains on the present line.
>>I want it to jump down to the next line, which is
>>another record in the table. The DOWN-ARROW key
>>works, but not the ENTER KEY.
>>How do you get this action?