下来菜单传值[asp+js]

 

image

(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)

clip_image002[9]

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>

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