WPF Treeview 无限分级绑定集合数据
来源:互联网 发布:自己淘宝ip地址怎么查 编辑:程序博客网 时间:2024/04/29 18:05
<Window x:Class="WpfTreeviewDemo.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mode="clr-namespace:WpfTreeviewDemo"
Title="TreeView无限级树绑定事例" Height="300" Width="300" WindowStartupLocation="CenterScreen" DataContext="{Binding}" ResizeMode="CanMinimize">
<Grid>
<Grid.Resources>
<HierarchicalDataTemplate DataType="{x:Type mode:Node}" ItemsSource="{Binding Nodes}">
<StackPanel Orientation="Horizontal" Margin="0,2,0,2"> <TextBlock Text="{Binding Name}" ToolTip="{Binding Name}" Tag="{Binding}"/>
</StackPanel>
</HierarchicalDataTemplate>
</Grid.Resources>
<TreeView Name="TreeView"/>
</Grid>
</Window>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Threading;
using System.Diagnostics;
using System.Windows.Markup;
namespace WpfTreeviewDemo
{
//定义节点类Node
public class Node
{
//构造函数
public Node()
{
this.Nodes = new List<Node>();
}
public int ID { get; set; }//内码
public string Name { get; set; }//名称
public bool IsParent { get; set; }//是否父级
public int OwnerID { get; set; }//上一级内码
public List<Node> Nodes { get; set; }//节点集合
}
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
List<Node> nodesList = new List<Node>()//创建节点的数据集合对象
{
new Node { ID = 1000, Name = "系统" , IsParent=true, OwnerID = 0 },
new Node { ID = 1100, Name = "软件设置", IsParent=false, OwnerID = 1000 },
new Node { ID = 1200, Name = "数据备份", IsParent=false, OwnerID = 1000 },
new Node { ID = 1300, Name = "数据恢复", IsParent=false, OwnerID = 1000 },
new Node { ID = 2000, Name = "基础资料", IsParent=true, OwnerID = 0 },
new Node { ID = 2100, Name = "用户管理", IsParent=false, OwnerID = 2000 },
new Node { ID = 2200, Name = "用户组 ", IsParent=false, OwnerID = 2000 },
new Node { ID = 2300, Name = "组织机构", IsParent=false, OwnerID = 2000 },
};
List<Node> outputList = Bind(nodesList);// 绑定树
this.TreeView.ItemsSource = outputList;//绑定TreeView.Items数据源
}
/// <summary>
/// 绑定树
/// </summary>
List<Node> Bind(List<Node> nodes)
{
List<Node> outputList = new List<Node>();//定义节点集合outputList
for (int i = 0; i < nodes.Count; i++)//按节点数量循环
{
if (nodes[i].OwnerID == 0)//判断是否根节点
{
outputList.Add(nodes[i]);//是根节点的,节点集合中加上节点
}
else
{
FindDownward(nodes, nodes[i].OwnerID).Nodes.Add(nodes[i]);//不是根节点的向下查找
}
}
return outputList;
}
/// <summary>
/// 向下查找
/// </summary>
Node FindDownward(List<Node> nodes, int id)
{
if (nodes == null)
{
return null;//节点集合为空返回null
}
for (int i = 0; i < nodes.Count; i++)//按nodes节点集合数量循环
{
if (nodes[i].ID == id)//判断节点的id是否与父节点相同
{
return nodes[i];//是父节点返回节点
}
Node node = FindDownward(nodes[i].Nodes, id);//向下查找
if (node != null)//节点不等于返回节点
{
return node;
}
}
return null;//返回空值
}
}
}
- WPF Treeview 无限分级绑定集合数据
- treeview 无限分级(c# dataview)
- 能用的treeview数据无限绑定
- TreeView 递归 无限级 绑定数据
- TreeView 绑定数据---递归查询无限极TreeView
- WPF中Treeview绑定数据库数据
- WPF TreeView 的数据绑定(分层)
- WPF的TreeView数据绑定基础
- WPF分级数据显示(集合包含其他集合)
- WPF ListView 分组数据绑定 TreeView递归数据绑定
- TreeView无限极绑定
- wpf中绑定treeview
- wpf之TreeView绑定
- wpf TreeView绑定
- 存储过程+数据缓存版的TreeView控件“无限”分级实现
- 无限分类递归实现TreeView数据绑定代码
- TreeView数据绑定的方法(可实现无限递归)
- WPF新手之如何将数据绑定到TreeView
- Problem A: ZZ买衣服
- EXTJs 树的实现
- 项目加了urlrewrite之后,在jsp页面el表达式取不到值的解决方法
- @Transactional与spring通过aop传播事务
- 直方图计算(续)
- WPF Treeview 无限分级绑定集合数据
- 数据结构:线索二叉树(Threaded Binary Tree)
- Oracle 绑定变量
- gettimeofday()函数的使用方法:
- C# Winfrom中Listview控件点击获取行
- AdapterView 的setOnItemClickListener 与子view setOnclick。
- Ubuntu中安装adb驱动
- 用C#绘制统计图
- Flex主流框架