>

FOR i=1 to 4
>  STORE <i>something to store</i> TO ('thisform.txtBox'+ALLTRIM(STR(i))+'.Value')
>ENDFOR

Hey- I didn't know you could use name substitution with STORE... cool.

Here's how I would do it:

FOR i = 1 TO 4 && or whatever
otxt = EVAL("THISFORM.TextBox" + ALLTRIM(STR(i))
otxt.Value = "Whatever"
ENDFOR