alv GRID

HAI,

MY REQUIREMENT IS I HAVE A ALV GRID WITH FORUR FIELDS SAY

KUUNR NAME1 MATERIAL QTY

NOW WHILE DISPLAYING I WILL BE SORTING BY KUUNR NAME1.

WHILE DISPLAYING THE ENTRIES OF KUUNR AND NAME1 IS COMING IN ALL ROWS, BUT MY REQUIREMENT IS THE KUUNR AND NAME1 SHOULD NOT APPEAR FOR ALL ROWS, IT SHOULD APPEAR ONLY WHEN THE RESPECTIVE VALUES ARE CHENGED, TO DO THIS WHAT ATTRIBUTE HAS TO BE SET.

CHEERS