无限级分类

 1   /// <summary>  
 2         /// 控件绑定父节点 
 3         /// </summary>  
 4         string lianjie = "";
 5         public string TreeViewBind()
 6         {
 7             DataTable dt = YHDAL.SelectChaXunQuanBuYongHu();
 8             DataView dv = dt.DefaultView;
 9             dv.RowFilter = "FuId=0";   //筛选FuId=0为顶级分类
10             int id = 0;
11             string zhongwenming = "";
12             string bumen = "";
13             int JBie = 0;
14             foreach (DataRowView drv in dv)
15             {
16                 id = int.Parse(drv["id"].ToString());
17                 JBie = int.Parse(drv["JiBie"].ToString());
18                 zhongwenming = drv["ZhongWenMing"].ToString();
19                 bumen = drv["BuMenMingChen"].ToString();
20                 lianjie += "<div CLASS='JiBie"+JBie+"'>(id：" + id + ")" + bumen + "<a  href='YongHuZhuCe.aspx?F=" + id + "'>" + zhongwenming + "</a><a href='YongHuZhuCe.aspx?YHID=" + id + "&LX=1'>修改</a><a href='YongHuZhuCe.aspx?YHID=" + id + "&LX=2'>删除</a></div>";
21                 AddReplies(dv, id);
22             }
23             dt.Clear();
24             return lianjie;
25         }
26 
27         /// <summary>  
28         /// 递归绑定子节点  
29         /// </summary>  
30         /// <param name="dv"></param>  
31         /// <param name="node"></param>  
32         public void AddReplies(DataView dv, int node)
33         {
34             dv.RowFilter = "FuId='" + node + "'";
35             int id = 0;
36             string zhongwenming = "";
37             string bumen = "";
38             int JBie = 0;
39             foreach (DataRowView row in dv)
40             {
41 
42                 JBie = int.Parse(row["JiBie"].ToString());
43                 id = int.Parse(row["id"].ToString());
44                 zhongwenming = row["ZhongWenMing"].ToString();
45                 bumen = row["BuMenMingChen"].ToString();
46                 lianjie += "<div CLASS='JiBie" +JBie+ "'>(id：" + id + ")" + bumen + "<a  href='YongHuZhuCe.aspx?F=" + id + "'>" + zhongwenming + "</a><a href='YongHuZhuCe.aspx?YHID=" + id + "&LX=1'>修改</a><a href='YongHuZhuCe.aspx?YHID=" + id + "&LX=2'>删除</a></div></br>";
47                 AddReplies(dv, id);
48             }
49         }