当前文件： MagRole/webcontrols/treeview.ascx.cs[3K，2009-6-12 11:47:15]，打开代码结构图

		            
 1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11
12//该源码下载自www.51aspx.com(５１aｓｐx．ｃｏｍ)
13
14using System.Data.SqlClient;
15public partial class webcontrols_treeview : System.Web.UI.UserControl
16...{
17    protected void Page_Load(object sender, EventArgs e)
18    ...{
19        获取当前权限表#region 获取当前权限表
20        ROLE myrole = new ROLE();
21        myrole.ROLEID = Convert.ToInt16(Session["roleid"].ToString());
22        myrole.GetModel(myrole.ROLEID);
23        //获取整个表，里面包含当前所有权限的moduleid
24        DataSet ds = new DataSet();
25        Authority myauthority = new Authority();
26        ds = myauthority.GetList("RoleID=" + myrole.ROLEID + "");
27        #endregion
28        父节点添加#region  父节点添加
29        //建立int来防止fathermoduleid相同来判断并且只建立一个fathernode
30        int fathermoduleid = 100;
31        for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
32        ...{
33            MODULE mymodule = new MODULE();
34            //设立查询的moduleid
35            mymodule.MODULEID = Convert.ToInt16(ds.Tables[0].Rows[i].ItemArray[2]);
36            //获取实例module
37            mymodule.GetModel(mymodule.MODULEID);
38            
39            //查询父节点
40            //获取父节点编号
41            int Ofathernodeid = Convert.ToInt16(mymodule.MODULE_FATHERID);
42            //查询所有父节点的模块
43            MODULE fathermodule = new MODULE();
44            fathermodule.MODULEID = Ofathernodeid;
45            fathermodule.GetModel(fathermodule.MODULEID);
46
47            //查询结果中有重复取消在循环中进行判断，将重复的不执行
48            if (fathermoduleid != fathermodule.MODULEID)
49            ...{ //将当前查询到的父节点的id负值给Ofathernodeid
50                fathermoduleid = fathermodule.MODULEID;
51                //实例化本父节点
52                TreeNode FatherNode = new TreeNode(fathermodule.MODULE_NAME, fathermodule.MODULEID.ToString(), "", fathermodule.MODULE_URL, "_blank");
53                
54                this.Tree_left.Nodes.Add(FatherNode);
55            }
56
57        }
58        #endregion 
59        子节点添加#region 子节点添加
60        for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
61        ...{
62            MODULE mymodule = new MODULE();
63            //设立查询的moduleid
64            mymodule.MODULEID = Convert.ToInt16(ds.Tables[0].Rows[i].ItemArray[2]);
65            //获取实例module
66            mymodule.GetModel(mymodule.MODULEID);
67            //实例化本子节点
68            if (mymodule.MODULE_FATHERID != 0)
69            ...{
70                //建立子节点
71                TreeNode Childnode = new TreeNode(mymodule.MODULE_NAME, mymodule.MODULEID.ToString().Trim(), "", mymodule.MODULE_URL, "_blank");
72                //this.Tree_left.Nodes.Add(Childnode);
73                //遍历所有treenode查询出需要的treenode
74                foreach (TreeNode myfathernode in Tree_left.Nodes)
75                ...{
76                    MODULE mymodule1 = new MODULE();
77                    mymodule1.MODULEID = Convert.ToInt16(myfathernode.Value);
78                    mymodule1.GetModel(mymodule1.MODULEID);
79                    if (Convert.ToInt16(mymodule1.MODULE_FATHERID) == 0 && mymodule.MODULE_FATHERID == mymodule1.MODULEID)
80                    ...{
81                        myfathernode.ChildNodes.Add(Childnode);
82                    }
83                }
84            }
85        }
86        #endregion
87    }
88}
89