WPF控件互相绑定参考代码

后台代码

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.Shapes;

namespace Wpf数据绑定
{
    /// <summary>
    /// Window2.xaml 的交互逻辑
    /// </summary>
    public partial class Window2 : Window
    {
        User1 us;
        public Window2()
        {

            InitializeComponent();
            us = new User1()
            {
                Username ="xiao",
                Pass ="123"
            };
            this.DataContext = us;   //
        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            //user.Username = DateTime.Now.ToString("HH:mm:ss:fff");
            //user.Password = DateTime.Now.ToString("HH:mm:ss");

            MessageBox.Show(us.Pass);
        }
    }
}

前台代码，注意黑色字体

<Window x:Class="Wpf数据绑定.Window2"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Window2" Height="371.642" Width="471.642">
    <Grid Margin="0,0,2,0">
        <Label Content="{Binding Username}" HorizontalAlignment="Left" Margin="147,53,0,0" VerticalAlignment="Top" Width="256" Height="57"/>
        <TextBox Name="pw"  HorizontalAlignment="Left" Height="50" Margin="132,115,0,0" TextWrapping="Wrap" Text="{Binding Pass}" VerticalAlignment="Top" Width="230"/>
        <Button Content="Button" HorizontalAlignment="Left" Margin="280,264,0,0" VerticalAlignment="Top" Width="123" Height="35" Click="Button_Click_1"/>
        <TextBox HorizontalAlignment="Left" Height="52" Margin="132,184,0,0" TextWrapping="Wrap" 
Text="{Binding Text,ElementName=pw,UpdateSourceTrigger=PropertyChanged}" VerticalAlignment="Top" Width="230"/>

    </Grid>
</Window>