Hide Column in design View from Master Page field

[former_member294408]

Dear All ,

My Client need That , If there is a specific value in in master Page , Remove column in table in Design View

I Add Action on master Page FormCalc run at server as Follow :

if ($ == "300495") then
 data.ItemDetails_Subform.ItemDetails.Header2.VBDPL_COPY.DATA.NTVAL.presence = "invisible"
endif 

When I preview The Form it just Remove first cell However my requirements is to hide all column within the header

So any one can give me a hand

Thanks,