Javscript写的tree

javascript写的tree,支持无限级分类。 dtree.zip

 

Code
 <div id="tree">
        <script>
    d = new dTree('d');
    d.add('0','-1','TREE');
        </script>
        <%
            SqlCommand cmd = new SqlCommand("select * from category", getConnection());
            SqlDataReader dr = cmd.ExecuteReader();
            while (dr.Read())
            { 
        %>
        <script> 
                d.add('<%=dr["id"] %>','<%=dr["parentid"] %>','<%=dr["category"] %>','Default.aspx?id=<%=dr["id"] %>');
        </script>
        <%
            }
        %>
        <script> 
            document.write(d);
        </script>
        <%            
        %>
    </div>

 数据表：

id int identity,

category varchar(100), --类别名称

parentid int --父id