Try this:

LOCAL i,lnMaxValue,lnAppend,lnRec

lnRec = 12 			&& 0,6,12,37

FOR i = 1 TO 10
	lnMaxValue = i*10
	IF m.lnRec < lnMaxValue
		EXIT
	endif
ENDFOR

lnAppend = m.lnMaxValue - m.lnRec

FOR i = 1 TO m.lnAppend
	APPEND BLANK 
endfor

>Dear Experts
>
>I want to fill table with blank records, with 10 records division, such as
>
>If Table has 0 records then 10 blank recods should automatically appended
>If Table has 6 records then 4 blank recods should automatically appended
>If Table has 12 records then 8 blank recods should automatically appended
>If Table has 37 records then 3 blank recods should automatically appended
>And so on…….
>
>Please help