您的位置：首页 > 编程语言 > ASP

利用ASP.NET的menu和SQL数据库制作无限级别菜单

2010-06-02 13:22 447 查看

source:internet

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Data.SqlClient;

using WebTools;

public partial class Default4 : System.Web.UI.Page
{

    public int parentID;

    public Tools Connectionstr1 = new Tools();

    protected void Page_Load(object sender, EventArgs e)

    {

        string Connectionstr = Connectionstr1.connStr.Connection
4000
String;

         SqlConnection SconnStr = new SqlConnection(Connectionstr);

        //设定数据库操作命令
         SconnStr.Open();

         SqlCommand Scmd = new SqlCommand("select * from menuTable where parentID=0", SconnStr);

         SqlDataReader odr = Scmd.ExecuteReader();

        while (odr.Read())

        {

             MenuItem menuNode = new MenuItem();

             menuNode.Text = odr["menuName"].ToString();

             menuNode.Value = odr["id"].ToString();

             menuNode.Enabled = true;

             menuNode.Target = odr["target"].ToString();

             menuNode.NavigateUrl = odr["url"].ToString();

             Menu1.Items.Add(menuNode);

             parentID = Convert.ToInt16(odr["id"].ToString());

             addchildmenu1(menuNode, menuNode.Value);

         }
        //关闭数据库连接
         Scmd.Connection.Close();

     }

    protected void addchildmenu1(MenuItem pnode,string pid)

    {

        string Connectionstr = Connectionstr1.connStr.ConnectionString;

         SqlConnection SconnStr1 = new SqlConnection(Connectionstr);

        //设定数据库操作命令
         SconnStr1.Open();

         SqlCommand Scmd1 = new SqlCommand("select * from menuTable where parentID=" + parentID + "", SconnStr1);

         SqlDataReader odr = Scmd1.ExecuteReader();

        while (odr.Read())

        {

             MenuItem menuNode = new MenuItem();

             menuNode.Text = odr["menuName"].ToString();

             menuNode.Value = odr["id"].ToString();

             menuNode.Enabled = true;

             menuNode.Target = odr["target"].ToString();

             menuNode.NavigateUrl = odr["url"].ToString();

             pnode.ChildItems.Add(menuNode);

             parentID = Convert.ToInt16(odr["id"].ToString());

             addchildmenu2(menuNode, menuNode.Value);

         }
        //关闭数据库连接
         Scmd1.Connection.Close();

     }

    protected void addchildmenu2(MenuItem pnode, string pid)

    {

        string Connectionstr = Connectionstr1.connStr.ConnectionString;

         SqlConnection SconnStr1 = new SqlConnection(Connectionstr);

        //设定数据库操作命令
         SconnStr1.Open();

         SqlCommand Scmd1 = new SqlCommand("select * from menuTable where parentID=" + parentID + "", SconnStr1);

         SqlDataReader odr = Scmd1.ExecuteReader();

        while (odr.Read())

        {

             MenuItem menuNode = new MenuItem();

             menuNode.Text = odr["menuName"].ToString();

             menuNode.Value = odr["id"].ToString();

             menuNode.Enabled = true;

             menuNode.Target = odr["target"].ToString();

             menuNode.NavigateUrl = odr["url"].ToString();

             pnode.ChildItems.Add(menuNode);

             parentID = Convert.ToInt16(odr["id"].ToString());

             addchildmenu1(menuNode, menuNode.Value);

         }
        //关闭数据库连接
         Scmd1.Connection.Close();

内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理

标签： 数据库 asp.net menu sql string tools

相关文章推荐

新的分享

章节导航