crystal report header

[shamee_banu(Legacy Member)]

the header for the details is in PH. i want the header to appear only when i click on the startQTY.

i tried putting in the details section, when i preview the header tent to appear more than once for example if i have 6 startQTY the header appear 6 time

i want the header to appear only when the click on the startQTY and should appear once any idea of how to do it ........

please help me thanks in advance