TreeView的简单应用

html代码
AutoGenerateDataBindings="False" CssClass="tb_tree" ShowLines="True" ExpandDepth="0">

cs代码

    private void BindData()
    {       
        DataView dvAll = OperationStartMenu.GetDataView();      
        dvAll.Sort = "NodeSort";
       
        this.TreeView.Nodes.Clear();

        TreeNode root = new TreeNode();

        root.Text = "启动业务";
        root.Value = "BusinessStart";
        root.ImageUrl = "~/images/ftb/folder.small.gif";

        if (!Page.IsPostBack)
        {
            root.Select();
        }

        this.TreeView.Nodes.Add(root);

        this.InitTree(root, dvAll);

        this.TreeView.ExpandDepth = 1;
    }

    protected void InitTree(TreeNode Node, DataView dvAll)
    {
        dvAll.RowFilter = string.Format("FatherNodeValue='{0}'", Node.Value);

        for (int i = 0; i < dvAll.Count; i++)
        {
            DataRowView drv = dvAll[i];

            string NodeText = drv["NodeText"].ToString();
            string NodeValue = drv["NodeValue"].ToString();
            string NodeSort = drv["NodeSort"].ToString();
            string NodeUrl = drv["NodeUrl"].ToString();

            TreeNode ChildNode = new TreeNode();

            ChildNode.NavigateUrl = NodeUrl;
            ChildNode.Text = NodeText;
            ChildNode.Value = NodeValue;
            if (ChildNode.NavigateUrl.Length == 0)
            {
                ChildNode.ImageUrl = "~/images/ftb/folder.small.gif";
            }
            else
            {
                ChildNode.NavigateUrl = string.Empty;
                ChildNode.ImageUrl = "~/images/ftb/office2003/createlink.gif";
            }

            Node.ChildNodes.Add(ChildNode);

            InitTree(ChildNode, dvAll);

            dvAll.RowFilter = string.Format("FatherNodeValue='{0}'", Node.Value);
        }
    }

数据表

名称

类型

可否空

默认值

说明

ID

Numeric

N

 

自增主键

FatherNodeValue

Varchar2(500)

N

父节点标识

NodeValue

Varchar2(500)

N

节点标识

NodeMenuID

Varchar2(20)

Y

节点对应的业务菜单ID(若不为空,则根据此项查找对应的URL

NodeUrl

Varchar2(200)

Y

节点URL

NodeText

Varchar2(200)

N

节点显示名称

UserID

Varchar2(20)

N

用户ID

NodeSort

Numeric

N

节点顺序

NodeUrlTarget

Varchar2(20)

N

是否为系统内地址

IsLeafNode

Varchar2(20)

N

是否为叶节点

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原文地址:https://www.cnblogs.com/EddyPeng/p/1225871.html