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多级目录树

时间:2014-07-31 02:43:55      阅读:388      评论:0      收藏:0      [点我收藏+]

标签:des   style   http   color   os   io   数据   for   

   前台:

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>选择目录树</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
   
<asp:treeview runat="server" ID="tvMenu" ImageSet="Contacts"
            onselectednodechanged="tvMenu_SelectedNodeChanged" Width="266px" NodeIndent="10">
    <HoverNodeStyle Font-Underline="False" />
 
    <NodeStyle Font-Names="Verdana" Font-Size="8pt" ForeColor="Black"
        HorizontalPadding="5px" NodeSpacing="0px" VerticalPadding="0px" />
    <ParentNodeStyle Font-Bold="True" ForeColor="#5555DD" />
    <SelectedNodeStyle Font-Underline="True"
        HorizontalPadding="0px" VerticalPadding="0px" />
        </asp:treeview>
    </div>
    </form>
</body>
</html>

 

后台:

public partial class menu : System.Web.UI.Page
    {
        private SqlConnection conn;
        private SqlCommand cmd;
        private const string connStr = "Server=115.29.244.185,9838;initial catalog=DbDevice;User=prkang_v2_access;Pwd=password01!";
        private string type = string.Empty;

        protected void Page_Load(object sender, EventArgs e)
        {
            loadDefault();
        }

        void loadDefault()
        {
            //加载目录树

            DataTable dtable0 = GetData0();
            DataTable dtable = GetData1();
            DataTable dtable2 = GetData2();
            CreateTree(this.tvMenu,dtable0, dtable, dtable2);
        }

        protected void tvMenu_SelectedNodeChanged(object sender, EventArgs e)
        {
            Session["MenuId"] = string.Empty;
            if (this.tvMenu.SelectedNode.Value != null)
            {
                Session["MenuId"] = this.tvMenu.SelectedValue;
            }

            Response.Write("<script>window.close();window.opener.reflash();window.opener=null;</script>");
            //前我做能脚本某写错需要测试
        }

        private DataTable GetData0()
        {
            DataTable datatable = GetTable("select * from PB_STAFF");
            return datatable;
        }
          private DataTable GetData1()
        {
            DataTable dt = GetTable("select * from Tbl_Dealer");
            return dt;
        }

        private DataTable GetData2()
        {
            DataTable dt = GetTable("select * from Tbl_Terminal");
            return dt;
        }
  
        #region  创建树、节点
        /// <summary> 
        /// 创建树 
        /// </summary>  
        /// <param name="treeView"></param>
        /// <param name="treeData"></param> 
        private void CreateTree(TreeView treeView,DataTable pbData, DataTable treeData, DataTable subdata)
        {
            try
            {
                var ss = SessionUtil.GetStaffSession();

                var model = PRKEP.Data.PB_STAFF.SingleOrDefault(x => x.PB_LOGIN_ID == ss.LoginId);
                string dname = model.PB_NAME;
                string DealerId = model.PB_LOGIN_ID;
                treeView.Nodes.Clear();//清空树所节点        
                treeView.ExpandDepth = 10;
                TreeNode rootNode = new TreeNode();//创建根节点     
                rootNode.Text = dname;
                rootNode.Value = DealerId;
                rootNode.ImageUrl = "../../Images/icon_remind.gif";
                treeView.Nodes.Add(rootNode);//添加根节点 
                CreateChildNode(rootNode,pbData,treeData, subdata);//创建其节点 

            }
            catch (Exception ex)
            {
                ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "fault", "alert(‘" + ex.Message.Replace("\n", "").Replace("\r", "") + "‘);", true);
            }
        }

        #endregion
        #region 创建销售节点
        /// <summary>
        /// 创建销售节点
        /// </summary>
        /// <param name="parentNode"></param>
        /// <param name="treeData"></param>
        /// <param name="subData"></param>
        private static void CreateChildNode(TreeNode parentNode,DataTable pbData ,DataTable treeData, DataTable subData)
        {
            try
            {
                DataRow[] rowList = pbData.Select("PB_PARENT_ID=‘" + parentNode.Value + "‘");
                foreach (DataRow row in rowList)
                {
                    TreeNode node = new TreeNode();//创建新节点

                    node.Text = row["PB_NAME"].ToString();
                    node.Value = row["PB_LOGIN_ID"].ToString();
                    parentNode.ChildNodes.Add(node);
                    CreateChildNode(node, pbData, treeData, subData);//递归调用创建其销售员节点

                    string exp2 = "ParentId=‘"+node.Value+"‘";


                    DataRow[] rowlist2 = treeData.Select(exp2);
                    if (rowlist2 != null)
                    {
                        foreach (DataRow rows in rowlist2)
                        {
                            TreeNode node1 = new TreeNode();//创建新节点

                            node1.Value = rows["DealerId"].ToString();
                            node1.Text = rows["DealerName"].ToString();
                            parentNode.ChildNodes.Add(node1);
                            CreatexiaoshouChildNode(node1, treeData);//递归调用创建其经销商节点

                            string exp3 = "DealerId=‘" + node1.Value + "‘";
                            DataRow[] rowlist3 = subData.Select(exp3);

                            if (rowlist3 != null)
                            {
                                foreach (DataRow rowlist in rowlist3)
                                {
                                    TreeNode node2 = new TreeNode();
                                    node2.Value = rows["TerminalId"].ToString();
                                    node2.Text = rows["TerminalName"].ToString();
                                    parentNode.ChildNodes.Add(node2);
                                    CreateSubChildNode(node2, subData);
                                }
                            }
                        }
                    }
                  
                }

            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        #endregion
        #region 创建销售人员下属的销售人员
        /// <summary>
        /// 创建销售人员下属的销售人员
        /// </summary>
        /// <param name="parentNode"></param>
        /// <param name="subtreeData"></param>
        private static void CreatexiaoshouChildNode(TreeNode parentNode, DataTable treeData)
        {
            try
            {
                DataRow[] rowlist2 = treeData.Select("ParentId=‘" + parentNode.Value + "‘");
                if (rowlist2 != null)
                {
                    foreach (DataRow row1 in rowlist2)
                    {
                        TreeNode node1 = new TreeNode();//创建新节点
                        node1.Text = row1["DealerName"].ToString();
                        node1.Value = row1["DealerId"].ToString();
                        parentNode.ChildNodes.Add(node1);
                        CreatexiaoshouChildNode(node1, treeData);//递归调用创建其节点  
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        #endregion

      
        #region  创建经销商下属的终端客户节点
        /// <summary>
        /// 创建经销商下属的终端客户节点
        /// </summary>
        /// <param name="parentNode"></param>
        /// <param name="subtreeData"></param>
        private static void CreateSubChildNode(TreeNode parentNode, DataTable subtreeData)
        {
            try
            {
                DataRow[] rowlist2 = subtreeData.Select("DealerId=‘" + parentNode.Value + "‘");
                if (rowlist2 != null)
                {
                    foreach (DataRow row1 in rowlist2)
                    {
                        TreeNode node1 = new TreeNode();//创建新节点
                        node1.Text = row1["TerminalName"].ToString();
                        node1.Value = row1["TerminalId"].ToString();
                        parentNode.ChildNodes.Add(node1);
                        CreateSubChildNode(node1, subtreeData);//递归调用创建其节点  
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region  获取经销商对应的级别名称
        /// <summary>
        /// 获取经销商对应的级别名称
        /// </summary>
        /// <param name="level"></param>
        /// <returns></returns>
        private static string getDealerLevelName(string level)
        {
            string str = string.Empty;
            switch (level)
            {
                case "0":
                    str = "钻石";
                    break;
                case "1":
                    str = "金牌";
                    break;
                case "2":
                    str = "银牌";
                    break;
                default:
                    str = "铜牌";
                    break;
            }
            return str;

        }

        #endregion
        #region 数据库操作
        /// <summary>  
        /// 打链接   
        /// </summary>    
        ///<returns></returns> 
        private SqlConnection GetConn()
        {
            if (conn == null)
                conn = new SqlConnection(connStr);
            if (conn.State == ConnectionState.Closed)
                conn.Open();
            else if (conn.State == ConnectionState.Broken)
            {
                conn.Close();
                conn.Open();
            } return conn;
        }
        /// <summary>   
        /// 执行增删改查操作
        /// </summary>  
        /// <param name="sql"></param> 
        /// <returns></returns> 
        private int ExecuteNonQuery(string sql)
        {
            try
            {
                cmd = new SqlCommand(sql, GetConn());
                return cmd.ExecuteNonQuery();
            }
            catch
            {
                return 0;
            }
            finally
            {
                conn.Close();
            }
        }
        /// <summary>   
        /// 读数据
        /// </summary>  
        /// <param name="sql"></param> 
        /// <returns></returns>  
        private SqlDataReader ExecuteReader(string sql)
        {
            try
            {
                cmd = new SqlCommand(sql, GetConn());
                return cmd.ExecuteReader();
            }
            catch
            {
                return null;
            }
            finally
            {
                conn.Close();
            }
        }

        /// <summary>    
        /// 该表数据 
        /// </summary> 
        /// <param name="sql"></param>   
        /// <returns></returns>
        private DataTable GetTable(string sql)
        {
            try
            {
                SqlDataAdapter da = new SqlDataAdapter(sql, GetConn());
                DataSet ds = new DataSet();
                da.Fill(ds);
                return ds.Tables[0];
            }
            catch
            {
                return null;
            }
            finally
            {
                conn.Close();
            }
        }
        #endregion


    }

多级目录树,布布扣,bubuko.com

多级目录树

标签:des   style   http   color   os   io   数据   for   

原文地址:http://www.cnblogs.com/zouxuechang/p/3879640.html

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