WPF Combobox数据绑定Binding
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combobox数据绑定List链表集合区分显示值与选择的值
整体效果:
根据combobox选择情况分别打印选取值与显示值
代码:
Windows窗体:
1 <Window x:Class="ComboxBinding.MainWindow" 2 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 3 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 4 Title="ComBox绑定" Height="192.857" Width="385" WindowStartupLocation="CenterScreen" Loaded="Window_Loaded"> 5 <Grid> 6 <ComboBox Name="comBox1" HorizontalAlignment="Left" Margin="74,10,0,0" Width="209" Height="22" VerticalAlignment="Top"/> 7 <TextBlock Name="txtSelectedValue" Width="200" Text="{Binding ElementName=comBox1, Path=SelectedValue}" HorizontalAlignment="Left" Margin="115,58,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Background="#FFE7FBFA"/> 8 <TextBlock Name="txtSelectedText" Width="200" Text="{Binding ElementName=comBox1, Path=Text}" HorizontalAlignment="Left" Margin="114,88,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Background="#FFE7FBFA"/> 9 <Label Content="selectedValue" HorizontalAlignment="Left" Margin="2,58,0,0" VerticalAlignment="Top"/> 10 <Label Content="selectedText" HorizontalAlignment="Left" Margin="10,86,0,0" VerticalAlignment="Top"/> 11 12 </Grid> 13 </Window>
窗体cs代码
View Code
1 using System.Collections.Generic; 2 using System.Windows; 3 4 namespace ComboxBinding 5 { 6 /// <summary> 7 /// MainWindow.xaml 的交互逻辑 8 /// </summary> 9 public partial class MainWindow : Window 10 { 11 public MainWindow() 12 { 13 InitializeComponent(); 14 } 15 16 private void Window_Loaded(object sender, RoutedEventArgs e) 17 { 18 List<ComboxBind> lstCmbBind = new List<ComboxBind>();//用于绑定数据源 19 20 //初始化数据源 21 ComboxBind cbb = new ComboxBind("显示值1", "选取值1"); 22 lstCmbBind.Add(cbb); 23 cbb = new ComboxBind("显示值2", "选取值2"); 24 lstCmbBind.Add(cbb); 25 cbb = new ComboxBind("显示值3", "选取值3"); 26 lstCmbBind.Add(cbb); 27 28 this.comBox1.ItemsSource = lstCmbBind; 29 comBox1.DisplayMemberPath = "CmbText";//类ComboxBind中的属性 30 comBox1.SelectedValuePath = "CmbValue";//类ComboxBind中的属性 31 } 32 } 33 }
用于绑定combobox的类
1 namespace ComboxBinding 2 { 3 /// <summary> 4 /// 用于Combox数据绑定 5 /// </summary> 6 class ComboxBind 7 { 8 //构造函数 9 public ComboxBind(string _cmbText, string _cmbValue) 10 { 11 this.cmbText = _cmbText; 12 this.cmbValue = _cmbValue; 13 } 14 15 //用于显示值 16 private string cmbText; 17 public string CmbText 18 { 19 get { return cmbText; } 20 set { cmbText = value; } 21 } 22 23 //用于实际选取的值 24 private string cmbValue; 25 public string CmbValue 26 { 27 get { return cmbValue; } 28 set { cmbValue = value; } 29 } 30 } 31 }
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