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  • WPF Combobox数据绑定 Binding

    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>
    Xaml
    窗体cs代码
     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 }
    View Code

     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 }
    C#
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  • 原文地址:https://www.cnblogs.com/yilinyangyu/p/7987981.html
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