treeView控件问题？？在线等。。

Question

如何把一个XML文件读取到treeView中呢？

Answer 1

可以一层一层节点的找出添加到treeview上

Answer 2

读出来,组成一个树,然后再递归加到treeview上吧

Answer 3

/// <summary>
        /// 生成树
        /// </summary>
        private void GenerateTree(string strSelNode)
        {
            //生成之前，将其置为空
            this.dtCache = null;            tvComponent.Nodes.Clear();            DataRow[] dv = dt.Select("Father_ID=0");            //DataView dv = dt.DefaultView;
            //dv.RowFilter = "Father_ID=0";            //添加右键菜单
            foreach (DataRow dr in dv)
            {
                TreeNode tn = new TreeNode();
                tn.Text = dr["Component_Name"].ToString();
                tn.Tag = dr["Component_ID"].ToString() + "," + dr["Type_Code"].ToString();
                
                //ContextMenu menu = new ContextMenu();
                //MenuItem item1 = new MenuItem("新增", new EventHandler(BtnNewBuilder));
                //MenuItem item2 = new MenuItem("修改", new EventHandler(BtnDeleteBuilder));
                //MenuItem item3 = new MenuItem("刷新", new EventHandler(BtnGenerateTree));
                //MenuItem item4 = new MenuItem("导出", new EventHandler(btnExport_Click));                //menu.MenuItems.Add(item1);
                //menu.MenuItems.Add(item2);
                //menu.MenuItems.Add(item3);
                //menu.MenuItems.Add(item4);
                //tr.ContextMenu = menu;                tvComponent.Nodes.Add(tn);                AppendSubNode(tn);
            }            //防止没有结点时报错
            //if (this.tvComponent.Nodes.Count > 0)
            //{
            //    this.tvComponent.Nodes[0].Expand();
            //}        /// <summary>
        /// 追加子结点
        /// </summary>
        /// <param name="tr"></param>
        private void AppendSubNode(TreeNode tr)
        {
            string strID = tr.Tag.ToString().Split(',')[0];            DataRow[] dv = dt.Select(string.Format("Father_ID = '{0}'",strID));
            //DataView dv = dt.DefaultView;
            //dv.RowFilter = "Father_ID = '" + strID + " '";            if (dv.Length > 0)
            {
                foreach (DataRow dr in dv)
                {
                    TreeNode subtr = new TreeNode();
                    subtr.Text = dr["Component_Name"].ToString();
                    subtr.Tag = dr["Component_ID"].ToString() + "," + dr["Type_Code"].ToString();                    //如果是设备节点图片用合着的文件夹
                    if (dr["Type_Code"].ToString() == ((int)EnumCollections.ComponentType.Equipment).ToString())
                    {
                        subtr.ImageIndex = 1;
                    }                    tr.Nodes.Add(subtr);                    //递归调用
                    AppendSubNode(subtr);
                }
            }
        }  
        }这是从datatable中加载的，xml可以读入dataset后再调用上面方法  
DataSet ds = new  DataSet();
ds.ReadXml(xmlFile);

Answer 4

xml文件
<?xml version="1.0" encoding="utf-8" ?>
<gen text="总目录">
<zi1 text="第一目录" url="~/Main2.aspx" target="f2">
<sun1 text="叶目录a" url="~/Main2.aspx">
</sun1>
<sun2 text="叶目录b" url="~/Main2.aspx">
</sun2>
</zi1>
<zi2 text="第二目录" url="~Main1.aspx">
<sun3 text="叶目录d" url="~main22.aspx"></sun3>
<sun4 text="叶目录c" url="~/Main2.aspx">
</sun4>
</zi2>
</gen>
aspx文件
  <asp:TreeView ID="TreeView1" runat="server" DataSourceID="XmlDataSource1" ImageSet="BulletedList3"
            LineImagesFolder="~/TreeLineImages" ShowExpandCollapse="False" ShowLines="True" OnSelectedNodeChanged="TreeView1_SelectedNodeChanged">
            <ParentNodeStyle Font-Bold="False" />
            <HoverNodeStyle Font-Underline="True" ForeColor="#5555DD" />
            <SelectedNodeStyle Font-Underline="True" ForeColor="#5555DD" HorizontalPadding="0px"
                VerticalPadding="0px" />
            <NodeStyle Font-Names="Verdana" Font-Size="8pt" ForeColor="Black" HorizontalPadding="5px"
                NodeSpacing="0px" VerticalPadding="0px" />
            <DataBindings>
                <asp:TreeNodeBinding DataMember="gen" TextField="text" SelectAction="SelectExpand" />
                <asp:TreeNodeBinding DataMember="zi1" NavigateUrlField="url" TargetField="target"
                    TextField="text" />
                <asp:TreeNodeBinding DataMember="sun1" TargetField="url" TextField="text" />
                <asp:TreeNodeBinding DataMember="zi2" TargetField="url" TextField="text" />
                <asp:TreeNodeBinding DataMember="sun2" TargetField="url" TextField="text" />
                <asp:TreeNodeBinding DataMember="sun3" TargetField="url" TextField="text" />
                <asp:TreeNodeBinding DataMember="sun4" TargetField="url" TextField="text" />
            </DataBindings>
        </asp:TreeView>
        <asp:XmlDataSource ID="XmlDataSource1" runat="server" DataFile="~/XMLFile.xml"></asp:XmlDataSource>