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  1/**////作者:魏宝辉
  2///网址:http://www.weibaohui.com
  3///版权所有，转载请注明
  4using System;
  5using System.Configuration;
  6using System.Data;
  7using System.Web;
  8using System.Web.Security;
  9using System.Web.UI;
 10using System.Web.UI.HtmlControls;
 11using System.Web.UI.WebControls;
 12using System.Web.UI.WebControls.WebParts;
 13using FTchina;
 14
 15
 16public partial class _Default : System.Web.UI.Page
 17...{
 18
 19    
 20     protected void Page_Load(object sender, EventArgs e)
 21    ...{
 22        if (!IsPostBack)
 23        ...{
 24            LoadList();
 25        }
 26    }
 27
 28    /**//// <summary>
 29    /// 加载整个分类表
 30    /// </summary>
 31    private void LoadList()
 32    ...{
 33        litlist.Text = "";
 34
 35        int MTcount = 0;//执行遍历的次数
 36        //开始迭代加载
 37        MakeTr("1", MTcount);
 38
 39    }
 40    /**//// <summary>
 41    /// 装配每一行
 42    /// </summary>
 43    /// <param name="id">上级ID</param>
 44    /// <param name="count">迭代次数</param>
 45    private void MakeTr(string id, int count)
 46    ...{
 47
 48        DataView dv = new DataView(shujuku.GetDataTable("select * from lanmu where parentid=" + id + " order by id asc"));
 49        foreach (DataRowView drv in dv)
 50        ...{
 51            //形成表格
 52            litlist.Text += "<tr><td>" + MakeFelgefu(count) + drv["context"].ToString() + "</td><td>自身编号" + drv["id"].ToString() + ",上级编号" + id + "</td></tr>";
 53
 54            //形成下拉列表
 55            ListItem li = new ListItem(MakeFelgefu(count) + drv["context"].ToString(), drv["id"].ToString());
 56            ddllm.Items.Add(li);
 57
 58            //再次遍历
 59            MakeTr(drv["id"].ToString(), count + 1);
 60
 61        }
 62
 63    }
 64    /**//// <summary>
 65    /// Make分隔符
 66    /// </summary>
 67    /// <param name="count"></param>
 68    /// <returns></returns>
 69    private string MakeFelgefu(int count)
 70    ...{
 71        string Returnwords = string.Empty;
 72        if (count == 0)
 73        ...{
 74            Returnwords = "";
 75        }
 76
 77        else
 78        ...{
 79            Returnwords = ("├").PadLeft(count, '　');
 80        }
 81        return Returnwords;
 82    }
 83
 84    
 85
 86
 87
 88    protected void btnziok_Click(object sender, EventArgs e)
 89    ...{
 90        string parentid = ddllm.SelectedValue.ToString();
 91        string context = txbzifl.Text;
 92        string sql = "insert into lanmu (parentid,context) values(" + parentid + ",'" + context + "') ";
 93        shujuku.ExecuteSql(sql);
 94        LoadList();//更新列表
 95
 96    }
 97    protected void btnroot_Click(object sender, EventArgs e)
 98    ...{
 99        string context =txbroot.Text;
100        string sql = "insert into lanmu (parentid,context) values(1,'" + context + "') ";
101       shujuku.ExecuteSql(sql);
102       LoadList();//更新列表
103
104    }
105}