1. 绑定CLR对象属性
2.绑定控件属性
3.获取字符串指定字符的值
4.显示集合子元素的属性
5.绑定基本数据类型的值
6.没有指定Path,Binding会把控件的DataContext当做自己的Source
7.通过 ElementName指定source,也可以把控件本身赋给Source
8.可以绑定ListBox的selectedItem的属性
<Window x:Class="WpfDemo.BindData1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="BindData1" Height="505.639" Width="473.684" xmlns:sys="clr-namespace:System;assembly=mscorlib" xmlns:local="clr-namespace:WpfDemo" > <Grid> <StackPanel> <StackPanel.Resources> <sys:String x:Key="myString"> 菩提本无树,明镜亦非台。 本来空一物,何处惹尘埃。 </sys:String> </StackPanel.Resources> <StackPanel.DataContext> <local:Employee name="zhangsan" age="30"></local:Employee> </StackPanel.DataContext> <TextBox x:Name="textName" Height="35" TextWrapping="Wrap" Text="TextBox"/> <Button Content="Button" Height="31" Click="Button_Click"/> <Button Content="Button" Height="31" Click="Button_Click_1"/> <TextBox Height="31" Text="{Binding Path=Value, ElementName=slider, UpdateSourceTrigger=PropertyChanged}" TextWrapping="Wrap"/> <Slider Maximum="100" Minimum="0" x:Name="slider"/> <TextBox x:Name="txt1" Text="{Binding Path=Text[3],ElementName=txt2,Mode=OneWay}" Height="23" TextWrapping="Wrap"/> <TextBox x:Name="txt2" Height="23" TextWrapping="Wrap" /> <TextBox x:Name="txt3" Height="23" TextWrapping="Wrap" /> <TextBox x:Name="txt4" Height="23" TextWrapping="Wrap" /> <TextBox x:Name="txt5" Height="23" TextWrapping="Wrap" /> <TextBox x:Name="txt6" Text="{Binding Path=.,Source={StaticResource ResourceKey=myString}}" Height="48" TextWrapping="Wrap" /> <TextBox Height="23" TextWrapping="Wrap" Text="{Binding name}"></TextBox> <TextBox Height="23" TextWrapping="Wrap" Text="{Binding age}"></TextBox> <TextBox x:Name="txt7" Height="23" TextWrapping="Wrap"></TextBox> <ListBox x:Name="listBox1" Height="50"> <ListBox.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> <TextBlock Text="{Binding Path=name}" Width="150"></TextBlock> <TextBlock Text="{Binding Path=age}" Width="150"></TextBlock> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </StackPanel> </Grid> </Window>
using System; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using System.Text; using System.Threading.Tasks; 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.Shapes; namespace WpfDemo { /// <summary> /// BindData1.xaml 的交互逻辑 /// </summary> public partial class BindData1 : Window { public Employee ee; public BindData1() { InitializeComponent(); //Binding bind = new Binding(); //bind.Source = ee; //bind.Path = new PropertyPath("name"); //BindingOperations.SetBinding(this.textName,TextBox.TextProperty,bind); ee = new Employee(); this.textName.SetBinding(TextBox.TextProperty,new Binding("name"){Source=ee}); //this.textName.SetBinding(TextBox.TextProperty, new Binding("Value") { Source = this.slider }); // 绑定 控件 属性 一般都是讲控件给source,而不是elementname //this.SetBinding(TextBox.TextProperty, new Binding("Value") { ElementName = "slider" }); this.txt2.SetBinding(TextBox.TextProperty, new Binding("/") {Source=new string[]{"111","222","333"} }); List<city> CityList1 = new List<city> { new city() { Name = "淮安" }, new city() { Name = "南京" } }; Province p1 = new Province() {Name="江苏",CityList=CityList1 }; List<city> CityList2 = new List<city> { new city() { Name = "马鞍山" }, new city() { Name = "合肥" } }; Province p2 = new Province() { Name = "浙江", CityList = CityList2 }; List<Province> provinceList = new List<Province> { p1,p2 }; Country country = new Country() { Name = "中国", ProvinceList = provinceList }; List<Country> countryList = new List<Country>() { country }; this.txt3.SetBinding(TextBox.TextProperty, new Binding("/Name") { Source = countryList }); this.txt4.SetBinding(TextBox.TextProperty, new Binding("/ProvinceList/Name") { Source = countryList }); this.txt5.SetBinding(TextBox.TextProperty, new Binding("/ProvinceList/CityList/Name") { Source = countryList }); List<Employee> eelist = new List<Employee>() { new Employee(){name="zhangsan",age=30}, new Employee(){name="lisi",age=40}, new Employee(){name="wangwu",age=50}, }; this.listBox1.ItemsSource = eelist; //this.listBox1.DisplayMemberPath = "name"; 前端设定显示路径 this.txt7.SetBinding(TextBox.TextProperty, new Binding("SelectedItem.age") { Source = this.listBox1 }); } private void Button_Click(object sender, RoutedEventArgs e) { this.ee.name += "NAME:"; } private void Button_Click_1(object sender, RoutedEventArgs e) { this.ee.name = ""; } } class city { public string Name { get; set; } } class Province { public string Name { get; set; } public List<city> CityList { get; set; } } class Country { public string Name { get; set; } public List<Province> ProvinceList { get; set; } } public class Employee : INotifyPropertyChanged { private string _name; public string name { set { _name = value; if (this.PropertyChanged != null) { this.PropertyChanged.Invoke(this, new PropertyChangedEventArgs("name")); } } get { return _name; } } public int age { set; get; } public event PropertyChangedEventHandler PropertyChanged; } }