c# code:
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
this.lbl_Menu.Text = GetMenu("9999","999");
this.lbl_UserName.Text = "Tim";
this.lbl_MacIP.Text = Page.Request.UserHostAddress;
}
}
private string GetMenu(string UserID, string TopMenuID)
{
System.Data.DataSet ds = GetMenuDataSet(UserID);
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("<ul class='topnav'>");
if (ds.Tables.Count != 0 && ds.Tables[0].Rows.Count != 0)
{
System.Data.DataView dv = ds.Tables[0].DefaultView;
dv.RowFilter = "MenuUppID='999'";
System.Data.DataTable dt = dv.ToTable();
for (int i = 0; i < dt.Rows.Count; i++)
{
System.Data.DataRow dr = dt.Rows[i];
sb.Append("<li><a href='" + (dr[2] != null ? dr[2].ToString() : "") + "'>" +
(dr[1] != null ? dr[1].ToString() : "") + "</a>");
string subString = getSubMenu(dr[0].ToString(), dv);
if (subString != "")
{
sb.Append(subString);
}
}
}
sb.Append("</ul>");
return sb.ToString();
}
private string getSubMenu(string MenuUppID,System.Data.DataView dv)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
dv.RowFilter = "MenuUppID='" + MenuUppID + "'";
System.Data.DataTable dt = dv.ToTable();
if (dt.Rows.Count != 0)
{
sb.Append("<ul style=\"display: none;\" class=\"subnav\">");
}
for (int i = 0; i < dt.Rows.Count; i++)
{
System.Data.DataRow dr = dt.Rows[i];
sb.Append("<li><a href='" + (dr[2] != null ? dr[2].ToString() : "") + "'>" +
(dr[1] != null ? dr[1].ToString() : "") + "</a>");
}
if (sb.Length != 0)
{
sb.Append("</ul>");
}
return sb.ToString();
}
private System.Data.DataSet GetMenuDataSet(string userID)
{
System.Data.DataSet ds = new System.Data.DataSet();
System.Data.DataTable dt = new System.Data.DataTable();
dt.Columns.Add("ID");
dt.Columns.Add("MenuName");
dt.Columns.Add("MenuUrl");
dt.Columns.Add("MenuUppID");
dt.Columns.Add("MenuSort");
System.Data.DataRow dr = dt.NewRow();
dr[0] = "0";
dr[1] = "首页";
dr[2] = "index.htm";
dr[3] = "999";
dr[4] = "1";
dt.Rows.Add(dr);
System.Data.DataRow dr1 = dt.NewRow();
dr1[0] = "1";
dr1[1] = "信息中心";
dr1[2] = "a.htm";
dr1[3] = "999";
dr1[4] = "1";
dt.Rows.Add(dr1);
System.Data.DataRow dr2 = dt.NewRow();
dr2[0] = "2";
dr2[1] = "信息查询";
dr2[2] = "a1.htm";
dr2[3] = "1";
dr2[4] = "2";
dt.Rows.Add(dr2);
System.Data.DataRow dr3 = dt.NewRow();
dr3[0] = "3";
dr3[1] = "信息修改";
dr3[2] = "a2.htm";
dr3[3] = "1";
dr3[4] = "3";
dt.Rows.Add(dr3);
System.Data.DataRow dr4 = dt.NewRow();
dr4[0] = "4";
dr4[1] = "个人信息";
dr4[2] = "a3.htm";
dr4[3] = "999";
dr4[4] = "4";
dt.Rows.Add(dr4);
System.Data.DataRow dr5 = dt.NewRow();
dr5[0] = "5";
dr5[1] = "网上";
dr5[2] = "a3.htm";
dr5[3] = "999";
dr5[4] = "5";
dt.Rows.Add(dr5);
ds.Tables.Add(dt);
return ds;
}
<style type="text/css">
body {
margin: 0; padding: 0;
font: 10px normal Arial, Helvetica, sans-serif;
background: #ddd url(Images/body_bg.gif) repeat-x;
}
.container {
width: 960px;
margin: 0 auto;
position: relative;
}
ul.topnav li {
float: left;
margin: 0;
padding: 0 15px 0 0;
position: relative; /*--Declare X and Y axis base--*/
}
ul.topnav li a{
padding: 10px 5px;
color: #fff;
display: block;
text-decoration: none;
float: left;
}
ul.topnav li a:hover{
background: url(Images/topnav_hover.gif) no-repeat center top;
}
ul.topnav li span { /*--Drop down trigger styles--*/
width: 17px;
height: 35px;
float: left;
background: url(Images/subnav_btn.gif) no-repeat center top;
}
ul.topnav li span.subhover {background-position: center bottom; cursor: pointer;}
ul.topnav li ul.subnav {
list-style: none;
position: absolute; /*--Important - Keeps subnav from affecting main navigation flow--*/
left: 0; top: 35px;
background: #333;
margin: 0; padding: 0;
display: none;
float: left;
width: 170px;
border: 1px solid #111;
}
ul.topnav li ul.subnav li{
margin: 0; padding: 0;
border-top: 1px solid #252525; /*--Create bevel effect--*/
border-bottom: 1px solid #444; /*--Create bevel effect--*/
clear: both;
width: 170px;
}
html ul.topnav li ul.subnav li a {
float: left;
width: 145px;
padding-left: 20px;
}
html ul.topnav li ul.subnav li a:hover { /*--Hover effect for subnav links--*/
background: #222 url(Images/dropdown_linkbg.gif) no-repeat 10px center;
}
</style>
<script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function () {
$("ul.subnav").parent().append("<span></span>");
$("ul.topnav li span").click(function () {
$(this).parent().find("ul.subnav").slideDown('fast').show();
$(this).parent().hover(function () {
}, function () {
$(this).parent().find("ul.subnav").slideUp('slow');
});
}).hover(function () {
$(this).addClass("subhover");
}, function () {
$(this).removeClass("subhover");
});
});
</script>
<div class="container">
<div id="topbanel" style="background: #ddd url(Images/body_bg.gif) repeat-x; height:102px">
</div>
<div id="header">
<asp:Label runat="server" Text="" ID="lbl_Menu"></asp:Label>
</div>
</div>
<div >
<div>欢迎您！<asp:Label ID="lbl_UserName" runat="server"></asp:Label> 您的IP：<asp:Label ID="lbl_MacIP" runat="server"></asp:Label></div>
</div>
