首页 > 代码库 > asp.net二级菜单导航 实例
asp.net二级菜单导航 实例
.aspx代码如下：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default17.aspx.cs" Inherits="Default17" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script src=http://www.mamicode.com/"jquery-1.8.3.js" type="text/javascript"></script>>.aspx.cs代码如下：using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.OleDb;
public partial class Default17 : System.Web.UI.Page
{ string str_cnn = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=";
string str_sourcefile = "mdb\\mydb.mdb";
OleDbConnection cnn;
OleDbCommand cmd;
OleDbDataReader datar;
string str_sql;
protected void Page_Load(object sender, EventArgs e)
{
makenav();
}
protected void makenav() {
string str_conn = str_cnn + MapPath(str_sourcefile);
cnn = new OleDbConnection(str_conn);
cnn.Open();
str_sql = "SELECT t_menuL0.*, t_menuL1.* FROM t_menuL1 RIGHT JOIN t_menuL0 ON t_menuL1.m1_m0id = t_menuL0.m0_id";
cmd = new OleDbCommand(str_sql, cnn);
datar = cmd.ExecuteReader();
Panel pnl_menuset, pnl_submenu;
HyperLink a_m0, a_m1;
while (datar.Read()) {
string s_m0 = datar["m0_id"].ToString();
pnl_menuset = (Panel)div_menu.FindControl("div_menuset_"+s_m0);
if (pnl_menuset == null) {
pnl_menuset = new Panel(); pnl_menuset.CssClass = "menuset";
pnl_menuset.ID = "div_menuset_" + s_m0;
div_menu.Controls.Add(pnl_menuset);
}
pnl_menuset = (Panel)div_menu.FindControl("div_menuset_" + s_m0);
a_m0 = (HyperLink)FindControl("a_m0_"+s_m0);
if (a_m0 == null) {
a_m0 = new HyperLink(); a_m0.CssClass = "m0";
a_m0.ID = "a_m0_" + s_m0;
a_m0.Text = datar["m0_ttl"].ToString();
a_m0.NavigateUrl = datar["m0_url"].ToString();
pnl_menuset.Controls.Add(a_m0);
}
if (!(datar["m1_ttl"] is DBNull)) {
pnl_submenu = (Panel)FindControl("div_submenu_" + s_m0);
if (pnl_submenu == null) {
pnl_submenu = new Panel(); pnl_submenu.CssClass = "submenu";
pnl_submenu.ID = "div_submenu_" + s_m0;
pnl_menuset.Controls.Add(pnl_submenu);
}
pnl_submenu = (Panel)FindControl("div_submenu_" + s_m0);
a_m1 = new HyperLink(); a_m1.CssClass = "m1";
a_m1.ID = "a_m1_" + datar["m1_id"].ToString();
a_m1.Text = datar["m1_ttl"].ToString();
a_m1.NavigateUrl = datar["m1_url"].ToString();
pnl_submenu.Controls.Add(a_m1);
}
}
cnn.Close();
Panel p = new Panel();
p.Style.Add("clear", "both");
div_menu.Controls.Add(p);
}
}
效果如下：
asp.net二级菜单导航 实例
声明：以上内容来自用户投稿及互联网公开渠道收集整理发布，本网站不拥有所有权，未作人工编辑处理，也不承担相关法律责任，若内容有误或涉及侵权可进行投诉： 投诉/举报 工作人员会在5个工作日内联系你，一经查实，本站将立刻删除涉嫌侵权内容。