<div id="Attribute">        添加类型:<span class="oper">               <a href="javascript:void(0);" οnclick="s()">[+]</a></span>        </div>

<script type="text/javascript">        function post(data, f) {            $.post("InputGoodType.aspx", data, f);        }        function ld(obj) {var id = obj.getElementsByTagName("select")[0].value;            post("type=drop2&id=" + id, function (r) {                obj.getElementsByTagName("span")[1].innerHTML = CreateSelect(eval(r));            })

        }        function s() {var div1 = document.getElementById("Attribute");            div = document.createElement("div");            div1.appendChild(div);            post("type=drop", function (r) {var span = document.createElement("span");var span1 = document.createElement("span");                span.innerHTML = CreateSelect(eval(r), 1);                div.innerHTML = "<a href=\"javascript:void(0);\" οnclick=\"remove(this)\">[-]</a>";                div.appendChild(span);                div.appendChild(span1);                ld(div);            })        }        function CreateSelect(arr, number) {

var str = "<select  style=\"width:200px;\" name=\"att\">";if (number != undefined) {                str = "<select οnchange=\"ld(this.parentNode.parentNode)\" style=\"width:200px;\">";            }for (var i = 0; i < arr.length; i++) {                str += "<option value="+arr[i][0]+">"+arr[i][1]+"</option>"            }            str += "</select>";return str;        }

        function remove(obj) {            obj.parentNode.parentNode.removeChild(obj.parentNode);        }    </script>

  protected void Page_Load(object sender, EventArgs e)        {

if (!IsPostBack)            {if (Request["type"] == "drop")                {                    Response.Write(DorpDowenlistBind());                    Response.End();return;                }if (Request["type"] == "drop2")                {                    Response.Write(Drop2list());                    Response.End();return;                }        }}

///<summary>/// 下来菜单数据项绑定///</summary>        protected string DorpDowenlistBind()        {            StringBuilder strSql = new StringBuilder();

            strSql.Append("[");            DataTable dt = GClassManager.GetAllList().Tables[0];//获取数据源            foreach (DataRow dr in dt.Rows)            {                strSql.AppendFormat("[\"{0}\",\"{1}\"],", dr["GclassID"], dr["GclassName"]);            }            strSql.Append("]");return strSql.ToString().Replace(",]", "]");        }///<summary>/// 下来菜单数据项绑定///</summary>        protected string Drop2list()        {            DataTable dt = new DataTable();if (Request.Form["id"] == null)            {                dt = AttributeManager.GetAllList().Tables[0];            }else            {                dt=AttributeManager.GetList("ClassId=" + Request.Form["id"].ToString() + "").Tables[0];            }            StringBuilder strSql = new StringBuilder();            strSql.Append("[");foreach (DataRow dr in dt.Rows)            {                strSql.AppendFormat("[\"{0}\",\"{1}\"],",dr["AttributeId"],dr["AttributeName"]);            }            strSql.Append("]");return strSql.ToString().Replace(",]","]");        }