Originariamente inviato da chipdb
Potresti postare il codice della pagina asp?
OK:

codice:
<%

Tit = request("Tit")

   sql = "SELECT  "
   sql = sql & " Tit "
   sql = sql & " FROM "
   sql = sql & " tbl "
   sql = sql & " ORDER BY "
   sql = sql & " Tit asc"
     
   Set rec = Server.CreateObject("ADODB.Recordset")
   rec.Open sql, cn
   
%>
                     
<select size="1" name="Tit" onChange="window.document.location='pag.asp?Tit='+this.options[this.selectedIndex].value;">
<option>Seleziona Tit</option>

<%
rec.MoveFirst  
Do While Not rec.EOF
%>
                    <option value="<%=rec("Tit")%>"<%=SELECTED(rec("Tit"), Tit)%>>
                    <%=rec("Tit")%></option>

<%
rec.MoveNext
Loop

rec.Close
set rec = Nothing
%>

</select>