do while i <ll_rowcount
i=i+1
if dw_1.GetItemString(i,"组号") = dw_1.GetItemString(i+1,"组号") then return
dw_1.insertrow(i+1)
ll_rowcount=ll_rowcount+1
i=i+1
loop
long i=0,ll_rowcount
ll_rowcount=dw_1.rowcount( )
dw_1.describe( /*readonly string s */)
do while i<ll_rowcount
i=i+1
if dw_1.GetItemString(i,"组号") = dw_1.GetItemString(i+1,"组号") then return
dw_1.insertrow(i+1)
ll_rowcount=ll_rowcount+1
i=i+1
loop