Creating a simple search in rows

Programmer usually needs creates searching data after retrieving datawindow. Here is simple searching data between rows.

long ll_nbr, ll_foundrow
string is_nostaf

ll_nbr = dw_1.rowcount( )
is_nostaf = trim(sle_name.text)
ll_foundrow = dw_1.Find("px01staf_px01numstaf = '"+ is_nostaf +"'", 1, ll_nbr)

if ll_foundrow > 0 then
dw_1.scrolltorow(ll_foundrow)
dw_1.selectrow( 0, false)
dw_1.selectrow( ll_foundrow, true)
else
messagebox('Mesej','No data')
end if