下来菜单传值[asp+js]

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（1）

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<% set ItemRs=server.CreateObject("adodb.recordset") ItemSql="select * from Howia_SuggestionSort" ItemRs.open ItemSql,conn,1,3 if ItemRs.eof and ItemRs.bof then   Response.Write("暂无信息") else Response.Write("<select name=""SelectItem"" id=""BigID"" style=""width:200px;"" onchange=""ClassChange(this.value)"">") Response.Write("<option value=""0"" selected>选择大类</option>") do while not ItemRs.eof %> <option id="Sledcom" name="Sledcom" value="<%=ItemRs("BigID")%>"><%=ItemRs("SortName")%></option> <% ItemRs.movenext                                                                                loop   Response.Write("</select>") ItemRs.close                                                                                    set ItemRs=nothing                                                                                        end if %>

（2）

传值 注意隐藏起来

（3）

 

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<script type="text/javascript"> function ClassChange(locationid) {       document.getElementById('Keyword').value = document.getElementsByTagName("option")[document.getElementById("SelectItem").selectedIndex].value; } </script>