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前一些时间在一个项目中想用一个类似C/S架构的Menu菜单功能,但是自己在此之前没有弄过,不会。于是Google,没有找到自己理想的控件,后一为朋友给了一个控件。效果很是不错,我想也有和我一样的朋友会需要她,先将其拿来和大家一起分享。在这里,我介绍一下ComponentArt. Menu的用法.

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.OleDb; 

namespace Web_Menu
{
    public partial class WebForm2 : System.Web.UI.Page
    {

        private void Page_Load(object sender, System.EventArgs e)
        {
            if (!IsPostBack) buildMenu();
        }

        private void buildMenu()
        {
            OleDbConnection dbCon = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("siteMap.mdb"));
            dbCon.Open();

            OleDbDataAdapter adapter = new OleDbDataAdapter("SELECT * FROM SiteMap ORDER BY NodeId", dbCon);
            DataSet ds = new DataSet();
            adapter.Fill(ds);
            ds.Relations.Add("NodeRelation", ds.Tables[0].Columns["NodeId"], ds.Tables[0].Columns["ParentNodeId"]);

            foreach (DataRow dbRow in ds.Tables[0].Rows)
            {
                if (dbRow.IsNull("ParentNodeId"))
                {
                    ComponentArt.Web.UI.MenuItem newItem = CreateItem(dbRow);
                    Menu1.Items.Add(newItem);
                    PopulateSubMenu(dbRow, newItem);
                }
            }
        }

        private void PopulateSubMenu(DataRow dbRow, ComponentArt.Web.UI.MenuItem item)
        {
            foreach (DataRow childRow in dbRow.GetChildRows("NodeRelation"))
            {
                ComponentArt.Web.UI.MenuItem childItem = CreateItem(childRow);
                item.Items.Add(childItem);
                PopulateSubMenu(childRow, childItem);
            }
        }

        private ComponentArt.Web.UI.MenuItem CreateItem(DataRow dbRow)
        {
            ComponentArt.Web.UI.MenuItem item = new ComponentArt.Web.UI.MenuItem();
            item.Text = dbRow["Text"].ToString();
            item.NavigateUrl = dbRow["NavigateUrl"].ToString();
            item.LookId = dbRow["LookId"].ToString();
            item.Look.LeftIconUrl = dbRow["LeftIcon"].ToString();
            item.Look.HoverLeftIconUrl = dbRow["LeftIconHover"].ToString();
            item.Look.RightIconUrl = dbRow["RightIcon"].ToString();
            item.Look.HoverRightIconUrl = dbRow["RightIconHover"].ToString();
            return item;
        }
    }
}
效果如下:


如需要,我发给他。

posted on 2007-06-27 13:38  周海军  阅读(1225)  评论(10编辑  收藏  举报