求教高手~~帮小弟下

Question

我详细说下2个表 
biao1
deptid  name
1   人事部
2   技术部
biao2
id   name      deptid
1    人事经理    1
2    人事助理    1
3    技术支持    2
4    技术分析    2
放在2个dropdownlist里面 来实现的功能是 点第一个dropdownlist的改变的时候第2个就显示出它部门下的职位 但是同时不能刷新整个页面。最好是详细代码谢谢

Answer 1

JS
JS+XML
JAJX
都可以

Answer 2

建议搜一下ajax,一个请求页，一个服务页就可以实现
请求页以XML数据发送请求，服务页解析XML，回传结果

Answer 3

ajax相关的东西看一下，会找到答案的。用js+xml也可以

Answer 4

看一下AJAX吧...
这种例子很多的

Answer 5

用一下这东东吧，AjaxPro
很容易做出你想要的效果来

Answer 6

<script language=javascript>
var Xmlhttp;
function CreateXmlHttp()
{ if(window.ActiveXObject)
    {
    try
    {
     Xmlhttp=new ActiveXObject("Microsoft.XmlHTTP"); 
    }
    catch(e)
    {
    try{
     Xmlhttp=new ActiveXObject("msXml2.XmlHTTP");
     }
     catch(ex){}
    }
    }
}
function AJAXSend()
{
     //创建XmlHttpRequest对象
     CreateXmlHttp();     
     if(!Xmlhttp)
     {
         alert("创建XmlhttpRequest发生异常！");
         return false;
     }   
     //获取地区下拉框的value值，作为条件发送
     var ss=document.getElementById("Agent").value.substring(0,4);
     
     
    //要发送的url，UserAJAX我专门用来取数据?area="+ss
     url="userajax.aspx?area="+ss;
     Xmlhttp.open("POST",url,false); 
     
        
   
     Xmlhttp.onreadystatechange=function()
     { 
 
         if(Xmlhttp.readyState==4)
         {
             if(Xmlhttp.status==200)
             {  
               //清空原下拉框
              document.getElementById("DropDownList1").options.length=0;           
               //str为返回的一个字符串，形式为"0001/代理商1,0002/代理商2,0003/代理商3"
               var str=Xmlhttp.responseText;
               
              //将该字符串分割为数组形式
               var strs=str.split(",");
               
           
//               document.getElementById("DropDownList1").options.add(new Option("----------","000000"));
               for(var i=0;i<strs.length-1;i++)
               {
                //获取value值（编号）
                var a=strs[i].substring(0,strs[i].lastIndexOf("/"));
                
                //获取绑定内容
                var b=strs[i].substring(strs[i].lastIndexOf("/")+1,strs[i].length);
                //绑定到下拉框
                
                document.getElementById("DropDownList1").options.add(new Option(b,a));               
               }
                 
             } 
          } 
      }           
      Xmlhttp.send();
}
</script> <div><select id="Agent" name="Agent" runat=server onchange=AJAXSend();></select>
        <asp:DropDownList ID="DropDownList1" runat="server">
        </asp:DropDownList></div>另一个页面的CS代码
protected void Page_Load(object sender, EventArgs e)
    {
        
        SqlConnection conn = new SqlConnection("user id=sa;password=sa;database=KMS; server=(local)");
        conn.Open();
        string Area = Request.QueryString["area"].ToString();
        string strsql = "SELECT * FROM KMS_ROLES where delflag=0 and deptid='"+Area+"'";
        SqlDataAdapter sd = new SqlDataAdapter(strsql, conn);        DataTable data = new DataTable();
        sd.Fill(data);
        string aa = "sdf/sdaf";
        for (int i = 0; i < data.Rows.Count; i++)
        {
            if (aa == "")
            {
                aa = data.Rows[i]["rolesid"].ToString() + "/" + data.Rows[i]["rolesname"].ToString();
            }
            else
            {
                aa = data.Rows[i]["rolesid"].ToString() + "/" + data.Rows[i]["rolesname"].ToString()+","+aa;
            }
        }
        Response.Write(aa);
    }

Answer 7

//动态加载省市
        function LoadCity(id,StateKey)
        {
        
            if(StateKey==-1)
            {
                        o=document.getElementById(id);
                        o.options.length=0;
                        var oOption = document.createElement("option");
                       text=document.createTextNode("[请选择]");
                        oOption.appendChild(text);
                        oOption.value="-1";
                        o.appendChild(oOption);
                        return;       
            }
                var ds=Sell_AddLeaguerInformation.GetCity(StateKey).value;
               
                if(ds)
                { 
                    if(ds.Tables.length>0)
                    {
                        datatable=ds.Tables[0];
                        o=document.getElementById(id);
                        o.options.length=0;
                        var oOption = document.createElement("option"); 
                       text=document.createTextNode("[请选择]");
                        oOption.appendChild(text);
                        oOption.value="-1";
                        o.appendChild(oOption);
                        for(i=0;i<datatable.Rows.length;i++)
                        {
                        
                           oOption = document.createElement("option"); 
                           text=document.createTextNode(datatable.Rows[i].CityName);
                             
                           oOption.appendChild(text);
                           oOption.value=datatable.Rows[i].CityKey;
                            o.appendChild(oOption);
                        }
                    }
                }
                
        }
        
        function initSell()
        {            
            //省市
            
            var ddlCompanyState=document.getElementById("ddlCompanyState");
            ddlCompanyState.onchange=function (){LoadCity('ddlCompanyCity',this.value);} 
            
            var ddlFamilyState=document.getElementById("ddlFamilyState");
            ddlFamilyState.onchange=function (){LoadCity('ddlFamilyCity',this.value);} 
            
            form1.txtBirthday.onclick=function(){setday(this);};             
        }
去看看吧