VFP列表框输出问题
要求输出100以内能被9整除的数，每行显示4个，问下我这样写有什么问题
for x=1 to 100 step 1
if x%9=0
thisform.list1.columncount=4
thisform.list1.columnwidths="30,30,30,30"
thisform.list1.columnlines=.f.
thisform.list1.addlistitem(x)
endif
endfor
for x=1 to 100 step 1
if x%9=0
thisform.list1.columncount=4
thisform.list1.columnwidths="30,30,30,30"
thisform.list1.columnlines=.f.
thisform.list1.addlistitem(x)
endif
endfor
