使用silverlight+wcf完成动态的树形控件的绑定，谁能给个实例？急！

HFtime 2010-09-13 10:59:02

实例！谢谢！

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jv9 2010-09-14

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楼主可以参考以下教程：

[Silverlight]TreeView控件——动态加载子项

http://www.silverlightchina.net/html/tips/2010/0510/1110.html

Silverlight使用反射实现TreeView动态导航

http://www.silverlightchina.net/html/tips/2010/0630/1364.html

abis 2010-09-14

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if exists (select * from sysobjects where id = OBJECT_ID('[t_sys_Menu]') and OBJECTPROPERTY(id, 'IsUserTable') = 1) 

DROP TABLE [t_sys_Menu]



CREATE TABLE [t_sys_Menu] (

[ID] [uniqueidentifier]  NULL DEFAULT (newid()),

[MenuCode] [varchar]  (100) NOT NULL,

[MenuName] [nvarchar]  (200) NULL,

[PMenuCode] [varchar]  (100) NULL,

[FileName] [varchar]  (200) NULL,

[FileExt] [varchar]  (200) NULL,

[Ico] [varchar]  (200) NULL,

[ImgIndex] [int]  NULL DEFAULT ((-1)),

[DisplayOrder] [varchar]  (100) NULL,

[IsExpand] [char]  (1) NULL DEFAULT (1),

[IsUse] [char]  (1) NULL DEFAULT (1))



ALTER TABLE [t_sys_Menu] WITH NOCHECK ADD  CONSTRAINT [PK_t_sys_Menu] PRIMARY KEY  NONCLUSTERED ( [MenuCode] )

INSERT [t_sys_Menu] ([ID],[MenuCode],[MenuName],[PMenuCode],[Ico],[ImgIndex],[IsExpand],[IsUse]) VALUES ( '894e5592-856c-4273-84f3-ba5e39c1e627','0','根节点','ZZZZ','TechnicalMeetings.png',-1,'1','1')

INSERT [t_sys_Menu] ([ID],[MenuCode],[MenuName],[PMenuCode],[Ico],[ImgIndex],[IsExpand],[IsUse]) VALUES ( 'ccce25bb-7965-4af4-88a6-43ccdb673d55','10','公共查询','0','3Drafts.png',1,'0','1')

INSERT [t_sys_Menu] ([ID],[MenuCode],[MenuName],[PMenuCode],[FileName],[FileExt],[Ico],[ImgIndex],[IsExpand],[IsUse]) VALUES ( '1d6cbc07-da29-4989-86ad-efda00db3a7c','1001','查询1','10','ljkkl.aspx','xap','Travel.png',-1,'1','1')

INSERT [t_sys_Menu] ([ID],[MenuCode],[MenuName],[PMenuCode],[FileName],[FileExt],[Ico],[ImgIndex],[IsExpand],[IsUse]) VALUES ( '8713a1c6-99d7-46cd-b114-0af56faec5db','1002','查询2','10','111','xap','sport_football.png',-1,'1','1')

INSERT [t_sys_Menu] ([ID],[MenuCode],[MenuName],[PMenuCode],[FileExt],[Ico],[ImgIndex],[IsExpand],[IsUse]) VALUES ( '9878e06e-1e83-4366-b7d9-65a85ff27234','20','文件输入','0','xap','search.png',1,'1','1')

INSERT [t_sys_Menu] ([ID],[MenuCode],[MenuName],[PMenuCode],[FileName],[FileExt],[Ico],[IsExpand],[IsUse]) VALUES ( '65d7a94d-45eb-41a0-869d-65029c686b9c','2001','输入子菜单','20','123456','xaml','search.png','0','0')

INSERT [t_sys_Menu] ([ID],[MenuCode],[MenuName],[PMenuCode],[FileName],[FileExt],[Ico],[ImgIndex],[IsExpand],[IsUse]) VALUES ( '9bb78503-b8b2-4c11-b717-792bccb716df','99','系统设置','0','abcde','xaml','TechnicalMeetings.png',1,'0','1')

INSERT [t_sys_Menu] ([ID],[MenuCode],[MenuName],[PMenuCode],[FileName],[FileExt],[IsExpand],[IsUse]) VALUES ( 'c9810638-ba2a-4056-891a-d71bc89d564c','9901','换肤功能','99','abcdefg','xaml','0','1')

abis 2010-09-14

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using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

using System.Windows.Navigation;



using System.Windows.Media.Imaging;

using Telerik.Windows.Controls;

using System.ServiceModel.DomainServices.Client;

using ABISCustom.Web;



namespace ABISAdmin.Menu

{

    public partial class PageMenuList : Page

    {

        //t_sys_Menu mInfo = new t_sys_Menu() { ID = null, MenuCode = "0", MenuName = "根节点", PMenuCode = "0", FileName = "", FileExt = "", Ico = "", ImgIndex = 0, IsExpand = "1", IsUse = "1" };



        DomainServiceCustom customContext = new DomainServiceCustom();

        public List<t_sys_Menu> listMenu = new List<t_sys_Menu>();

        TreeViewItem TreeNodeTop = new TreeViewItem();



        ChildWindowMenuAdd cwMenuAdd = new ChildWindowMenuAdd();

        ChildWindowMenuEdit cwMenuEdit = new ChildWindowMenuEdit();

        public PageMenuList()

        {

            InitializeComponent();



            showTree();



            this.cwMenuAdd.Closed += new EventHandler(cwMenuAdd_Closed);

            this.cwMenuEdit.Closed += new EventHandler(cwMenuEdit_Closed);

            Loaded += new RoutedEventHandler(MainPage_Loaded);

            

        }



        // 当用户导航到此页面时执行。

        protected override void OnNavigatedTo(NavigationEventArgs e)

        {



        }



        void MainPage_Loaded(object sender, RoutedEventArgs e)

        {

            //每次激活时就运行一次

            //showTree();

        }



        void showTree()

        {

            //清除树的所有节点

            tvMenu.Items.Clear();

            listMenu.Clear();

            tvMenu.DataContext = null;



            //从数据库里调数据

            var query = (from menu in customContext.GetT_sys_MenuQuery()

                         select menu);

            LoadOperation<t_sys_Menu> contact = customContext.Load(query);

            contact.Completed += new EventHandler(contact_Completed);



        }



        void contact_Completed(object sender, EventArgs e)

        {

            LoadOperation<t_sys_Menu> contact = (LoadOperation<t_sys_Menu>)sender;

           

            listMenu = (from menu in contact.Entities

                        select menu).AsQueryable().ToList();



            AddTreeNode("ZZZZ", null);



            //指定选择项开始=========================================

            RadTreeViewItem tr = new RadTreeViewItem();

            tr = tvMenu.Items[0] as RadTreeViewItem;

            tr.IsSelected = true;

            //指定选择项结束=========================================



        }



        private void AddTreeNode(string parentID, RadTreeViewItem treeViewItemTemp)

        {



            List<t_sys_Menu> result = (from menuInfo in listMenu

                                       where menuInfo.PMenuCode == parentID

                                       select menuInfo).ToList<t_sys_Menu>();



            if (result.Count > 0)

            {



                foreach (t_sys_Menu menuinfo in result)

                {

                    RadTreeViewItem objTreeNode = new RadTreeViewItem();

                    objTreeNode.Header = menuinfo.MenuName + "  [" + menuinfo.MenuCode + "]";



                    objTreeNode.DataContext = menuinfo;

                    objTreeNode.IsExpanded = true;



                    if (menuinfo.Ico.ToString().Trim() != "" && menuinfo.Ico != null)

                    {

                        objTreeNode.DefaultImageSrc ="../Images/Small/" + menuinfo.Ico.ToString().Trim();

                        //objTreeNode.DefaultImageSrc = new BitmapImage(new Uri("../Images/Small/" + menuinfo.Ico.ToString().Trim(), UriKind.Relative));



                    }



                    if (menuinfo.IsUse != "1")

                    {

                        objTreeNode.Foreground = new SolidColorBrush(Colors.Red);

                        objTreeNode.Header += " [停]";

                    }



                    if (treeViewItemTemp == null)

                    {

                        tvMenu.Items.Add(objTreeNode);



                    }

                    else

                    {

                        treeViewItemTemp.Items.Add(objTreeNode);

                    }



                    AddTreeNode(menuinfo.MenuCode, objTreeNode);

                }



            }





        }



        private void buttonAdd_Click(object sender, RoutedEventArgs e)

        {

            RadTreeViewItem item = tvMenu.SelectedItem as RadTreeViewItem;

            t_sys_Menu menuModal = item.DataContext as t_sys_Menu;

            cwMenuAdd.menuInfoCwadd.PMenuCode = cwMenuAdd.textBoxPMenuCode.Text = menuModal.MenuCode.ToString().Trim();

            cwMenuAdd.textBoxPMenuName.Text = menuModal.MenuName.ToString().Trim();



            cwMenuAdd.Show();







        }



        void cwMenuAdd_Closed(object sender, EventArgs e)

        {



            if (cwMenuAdd.DialogResult == true)

            {



                customContext.t_sys_Menus.Add(cwMenuAdd.menuInfoCwadd);

                customContext.SubmitChanges(OnSubmitCompleted, null); 

            }

            else

            {



            }

                        

        }



        void cwMenuEdit_Closed(object sender, EventArgs e)

        {



            if (cwMenuEdit.DialogResult == true)

            {

                t_sys_Menu menuInfo = customContext.t_sys_Menus.Single(c => c.MenuCode == cwMenuEdit.strSessCode);



                menuInfo.MenuCode = cwMenuEdit.textBoxMenuCode.Text.ToString().Trim();

                menuInfo.MenuName = cwMenuEdit.textBoxMenuName.Text.ToString().Trim();

                menuInfo.FileName = cwMenuEdit.textBoxFileName.Text.ToString().Trim();

                menuInfo.FileExt = cwMenuEdit.comboBoxDataWJLX._selectItemCode.ToString().Trim();

                menuInfo.Ico = cwMenuEdit.textBoxIco.Text.ToString().Trim();

                menuInfo.IsExpand = cwMenuEdit.comboBoxDataSFZK._selectItemCode.ToString().Trim();

                menuInfo.IsUse = cwMenuEdit.comboBoxDataSFSY._selectItemCode.ToString().Trim();





                customContext.SubmitChanges(OnSubmitCompleted, null);

            }

            else

            {



            }





            //buttonShow_Click(null, null);



        }



        private void buttonDel_Click(object sender, RoutedEventArgs e)

        {

            RadTreeViewItem item = tvMenu.SelectedItem as RadTreeViewItem;

            t_sys_Menu menuModal = item.DataContext as t_sys_Menu;



            if (menuModal.MenuCode == "0")

            {

                MessageBox.Show("不能删除根节点，删除失败！");

                return;

            }



            if (MessageBox.Show("是否删除选中的节点？", "提示", MessageBoxButton.OKCancel) == MessageBoxResult.OK)

            {

                customContext.t_sys_Menus.Remove(menuModal);

                customContext.SubmitChanges(OnSubmitCompleted, null);

                

                //MessageBox.Show("操作成功！");



            }



        }



        private void buttonEdit_Click(object sender, RoutedEventArgs e)

        {

            RadTreeViewItem item = tvMenu.SelectedItem as RadTreeViewItem;

            t_sys_Menu menuModal = item.DataContext as t_sys_Menu;



            if (menuModal.MenuCode == "0")

            {

                MessageBox.Show("不能编辑根节点！");

                return;

            }

            else

            {

                cwMenuEdit.strSessCode = menuModal.MenuCode.ToString().Trim();

                cwMenuEdit.Show();



            }





        }



        private void buttonShow_Click(object sender, RoutedEventArgs e)

        {

            showTree();

        }



        public void OnSubmitCompleted(SubmitOperation so)

        {

            this.showTree();

            MessageBox.Show("提交成功！");

        }



       

    }

}

abis 2010-09-14

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<navigation:Page xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"  x:Class="ABISAdmin.Menu.PageMenuList" 

           xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 

           xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 

           xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

           xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

           mc:Ignorable="d"

           xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"

           d:DesignWidth="640" d:DesignHeight="480"

           Title="PageMenuList Page" xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk">





    <Grid x:Name="LayoutRoot" >

        <Grid Name="gridMain" ShowGridLines="False" >



            <Grid.RowDefinitions>

                <RowDefinition></RowDefinition>

                <RowDefinition Height="60"></RowDefinition>

            </Grid.RowDefinitions>

            <telerik:RadTreeView Margin="0" Name="tvMenu" VerticalAlignment="Top"  IsLineEnabled="True" Grid.Row="0" >

            </telerik:RadTreeView>



            <Grid Margin="1,1,1,1" Name="gridBottom" Background="#FFEEEEEE" Grid.Row="1">

                <telerik:RadButton Content="编辑" FontSize="12" Height="30" HorizontalAlignment="Left" Margin="20,15,0,0" Name="buttonEdit" VerticalAlignment="Top" Width="90" Click="buttonEdit_Click" />

                <telerik:RadButton Content="删除" FontSize="12" Height="30" HorizontalAlignment="Left" Margin="120,15,0,0" Name="buttonDel" VerticalAlignment="Top" Width="90" Click="buttonDel_Click" />

                <telerik:RadButton Content="增加子菜单" Height="30" HorizontalAlignment="Right" Margin="0,15,20,0" Name="buttonAdd" VerticalAlignment="Top" Width="90" FontSize="12" Click="buttonAdd_Click" />

                <telerik:RadButton Content="刷新" Height="30" HorizontalAlignment="Right" Margin="0,15,120,0" Name="buttonShow" VerticalAlignment="Top" Width="90" FontSize="12" Click="buttonShow_Click" />

            </Grid>

            

        </Grid>



    </Grid>

</navigation:Page>