Regarding Screen Variant for tcode va11

hi all,

i am trying to create a screen variant for tcode va11. the fileds in the item level has to changed.. we have a requirement to show only those fields that are usefull as per our clients requirement.. there are fields which will never be used .. so we have top remove it .. i have created a screen variant and made all the fiedls not needed invisible .

then i link this csreen variant to a transaction varaiant .. howver when i execute

this i don't find any difference in screen .. guess my screen variant not working..

Is there anything we have to take care for table control.

the Program name is SAPMV45A

Screen number is 4900

please if any body has done this before ,,kindly suggest.

thanks and regards

Sriniavs