看看怎么取这个ID

[liumingyu218]

<div align="right">
  <table width="200" border="1">
    <form action="right.asp" method="post" name="form1"  target="right">
      <script src="search.js" language="javascript"></script>
      
      <tr>
        <td>Bore</td>
        <td><select name="area" id="area" onchange='search("province","province","province_id","province_name",this.value,"area_id","province_order")'>
          <option>请选择</option>
          <%	 
		sql="select area_id,area_name from area order by area_order asc"
		rs.open sql,conn,1,1
		If rs.eof Then
		Else
		do while not rs.eof
			area_id = rs("area_id")
			area_name = rs("area_name")
			'******************下面是你要显示的******************'
			response.write "<option value="""&area_id&""">"&area_name&"</option>"
			'******************上面是你要显示的******************'
		rs.movenext
		loop
		End If
		rs.close 

	  %>
        </select></td>
      </tr>
      <tr>
        <td>style</td>
        <td><select name="province" id="province" onchange='search("city","city","city_id","city_name",this.value,"province_id","city_order")'>
          <option>请选择</option>
        </select></td>
      </tr>
      <tr>
        <td>Stroke</td>
        <td><select name="city" id="city" onchange='search("school","school","school_id","school_name",this.value,"city_id","school_order")'>
          <option>请选择</option>
        </select></td>
      </tr>
      <tr>
        <td>Shaft</td>
        <td><select name="school" id="school" onchange='search("college","college","college_id","college_name",this.value,"school_id","college_order")'>
          <option>请选择</option>
        </select></td>
      </tr>
      <tr>
        <td>series</td>
        <td><select name="college" id="college" onchange='search("Professional","Professional","Professional_id","Professional_name",this.value,"college_id","Professional_order")'>
          <option>请选择</option>
        </select></td>
      </tr>
      <tr>
        <td>专业</td>
        <td><select name="Professional" id="Professional">
          <option>请选择</option>
        </select></td>
      </tr>
      <tr>
        <td> </td>
        <td>            <input type="submit" name="Submit" value="提交" />
</td>
      </tr>
    </form>
</table>

这是一个ASP+JS多级联动的下拉菜单...我想提交到RIGHT.asp取到所选专业的ID..用来读取ID对应的其它数据..请问如何取值?需要把JS代码贴出来吗

[liumingyu218]

顶上去...高手帮忙

[Jeff20040819]

UP

[lihan6415151528]

js 贴出来吧

[liumingyu218]

var searchReq=createAjaxObj();
var formname="";	

function createAjaxObj()
{
	var httprequest=false;
	if(window.XMLHttpRequest)
	{
		httprequest=new XMLHttpRequest();
		if(httprequest.overrideMimeType)
			httprequest.overrideMimeType('text/xml');
	}
	else if (window.ActiveXObject)
	{
		//IE
		try
		{
			httprequest=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				httprequest=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
			}
		}
	}
	return httprequest
}

/*f0表单名
't 表名
'f1字段名
'f2字段名
'id条件,即要传的值
'w条件字段名
'o顺序字段名*/
function search(f0,t,f1,f2,id,w,o)
{	
	    formname=f0;
		url="search.asp?t="+t+"&f1="+f1+"&f2="+f2+"&id="+id+"&w="+w+"&o="+o+"&m=" +  new Date().getTime();		
		searchReq.open("get",url);
		searchReq.onreadystatechange=handleSearchSuggest;
		searchReq.send(null);		
	
}

function handleSearchSuggest()
{
	if(searchReq.readyState==4)
	{							
				switch(formname)
				{
					case "area":
					{
						 document.getElementById("area").options[0]=new Option("请选择","0");
						 document.getElementById("area").options.selected=true;
						 document.getElementById("area").length=1;
					}
					
					case "province":
					{
						 document.getElementById("province").options[0]=new Option("请选择","0");
						 document.getElementById("province").options.selected=true;
						 document.getElementById("province").length=1;
					}
					case "city":
					{
						 document.getElementById("city").options[0]=new Option("请选择","0");
						 document.getElementById("city").options.selected=true;
						 document.getElementById("city").length=1;
					}
					case "school":
					{
						 document.getElementById("school").options[0]=new Option("请选择","0");
						 document.getElementById("school").options.selected=true;
						 document.getElementById("school").length=1;
					}
					case "college":
					{
						 document.getElementById("college").options[0]=new Option("请选择","0");
						 document.getElementById("college").options.selected=true;
						 document.getElementById("college").length=1;
					}
					case "Professional":
					{
						 document.getElementById("Professional").options[0]=new Option("请选择","0");
						 document.getElementById("Professional").options.selected=true;
						 document.getElementById("Professional").length=1;
					}
				}
				switch (formname)
				{
					case "area":name="Bore";break;
					case "province":name="style";break;
					case "city":name="Stroke";break;
					case "school":name="Shaft";break;
					case "college":name="series";break;
					case "Professional":name="专业";break;
				}
				xmldoc=searchReq.responseXML;	
				var message_nodes=xmldoc.getElementsByTagName("message");
				var n_messages=message_nodes.length;				
				if (n_messages<=0)
				{	
					 document.getElementById(formname).options[0]=new Option("请选择"+name,"0");
					 document.getElementById(formname).options.selected=true;
					 document.getElementById(formname).length=1;
				}
			    else
				{ 	
					document.getElementById(formname).options[0]=new Option("请选择"+name,"0");				
					for (i=0;i<n_messages;i++ )
					{  						
						var cid=message_nodes[i].getElementsByTagName("cid")[0].firstChild.data;
						var name=message_nodes[i].getElementsByTagName("name")[0].firstChild.data; 
						document.getElementById(formname).options[i+1]=new Option(name,cid); 
					}					
				    document.getElementById(formname).options.selected=true;
					document.getElementById(formname).length=i+1;

				}
				
	}
	else
	{
		//alert('网络连接失败');
	}
}

[liumingyu218]

search.asp页面代码

<!--#include file="include/adoconn.asp"-->
<% 
 Response.ContentType="text/xml"
 tablename=saferequest("t")
 f1=saferequest("f1") '字段1
 f2=saferequest("f2") '字段2
 wherename=saferequest("w") '条件
 ordername=saferequest("o") '顺序
 id=saferequest("id")
 sql="select "&f1&","&f2&" from "&tablename&" where "&wherename&"="&id&" order by "&ordername&" asc"
 'response.write sql
 'response.end
 rs.open sql,conn,1,1  
 str="<?xml version=""1.0"" encoding=""gb2312""?>"&vbnewline
  str=str&"<root>"&vbnewline
 If rs.eof Then  
 Else
  i=1
  Do While Not rs.eof
   str=str&"<message id="""&i&""">"&vbnewline  
   str=str&"  <cid>"&rs(f1)&"</cid>"&vbnewline
   str=str&"  <name>"&rs(f2)&"</name>"&vbnewline
   str=str&"</message>"&vbnewline
  i=i+1
  rs.movenext
  loop
  End If  
  str=str&"</root>"
  rs.close
  response.write str
%>

[Msxindl_Com]

肯定要贴出JS才行.

[湘湖]

用ifrmae加DIV.innerHTML可以实现
实现方法:
1.做一个表单里面放几个隐藏域,并将表单提交的目标及target设定为iframe的名字
2.当列表框中的值发生变化时,用submit()提交表单提交该表单,在iframe所指向的页中获取提交值,再用div.innerHTML重写父窗口中DIV标签里的列表框

[liumingyu218]

可帮写下剧体点的代码?