WPF中在DataGrid中显现当前元素

Question

需要在textBox1.text中显示第一元素，textBox2中显示第二个元素
我知道在winform中用DataGridView控件有如下代码
private void DataGridView1_CurrentCellChanged(object sender,EventArgs e)
{
   textBox1.Text=DataGridView1.CurrentRow.Cells[0].Value.ToString();
   textBox2.Text=DataGridView1.CurrentRow.Cells[1].Value.ToString();
}
求教在WPF中用DataGrid如何实现像DataGridView类似的这个功能呢

Answer 1

使用{Binding}代码如下：
.xaml<Window x:Class="MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="测试项目" Height="350" Width="525" Icon="/Images/user.png" ShowInTaskbar="True" WindowStartupLocation="CenterScreen" WindowStyle="SingleBorderWindow">
    <Grid Name="grid1">
        <Grid.RowDefinitions>
            <RowDefinition Height="*" />
            <RowDefinition Height="auto" />
            <RowDefinition Height="30" />
        </Grid.RowDefinitions>
        <ListView Grid.Row="0" x:Name="listview1">
            <ListView.View>
                <GridView x:Name="gridview1">
                    <!--注意两种写法都可以，就是path-->
                    <GridViewColumn Header="账号" DisplayMemberBinding="{Binding 字段1}" />
                    <GridViewColumn Header="密码" DisplayMemberBinding="{Binding 字段2}" />
                    <GridViewColumn Header="姓名" DisplayMemberBinding="{Binding Path=字段3}" />
                    <GridViewColumn Header="住址" DisplayMemberBinding="{Binding Path=字段4}" />
                </GridView>
            </ListView.View>
        </ListView>
        <WrapPanel Grid.Row="1" Orientation="Horizontal" DataContext="{Binding ElementName=listview1, Path=SelectedItem}">
            <StackPanel Orientation="Horizontal">
                <TextBlock Height="23" Name="textBlock1" Text="绑定字段1：" />
                <TextBox Height="23" Name="tb_pppoeid" Width="120" Text="{Binding 字段1}"/>
            </StackPanel>
            <StackPanel Orientation="Horizontal">
                <TextBlock Height="23" Name="textBlock2" Text="绑定字段2：" />
                <TextBox Height="23" Name="tb_pppoepwd" Width="120" Text="{Binding 字段2}" />
            </StackPanel>
            <StackPanel Orientation="Horizontal">
                <TextBlock Height="23" Name="textBlock3" Text="绑定字段3：" />
                <TextBox Height="23" Name="tb_username" Width="120" Text="{Binding 字段3}" />
            </StackPanel>
            <StackPanel Orientation="Horizontal">
                <TextBlock Height="23" Name="textBlock4" Text="绑定字段4：" />
                <TextBox Height="23" Name="tb_useraddr" Width="120" Text="{Binding 字段4}" />
            </StackPanel>
        </WrapPanel>
        <Button Grid.Row="2" Content="Button" HorizontalAlignment="Left" Width="66" Click="Button_Click" />
    </Grid>
</Window>
.xaml.cs 获取数据的后台代码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.Data;
using System.Data.OleDb;
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;namespace 新练习
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            getdata();
        }        //定义连接字符串变量
        private string connstr = "Provider=Microsoft.Jet.OleDb.4.0; Data Source=db.mdb";
        //定义数据容器
        OleDbDataAdapter da;
        DataTable dt;
        //获取数据
        private void getdata()
        {
            OleDbConnection conn = new OleDbConnection(connstr);
            da = new OleDbDataAdapter("select * from 表",conn);
            OleDbCommandBuilder cb = new OleDbCommandBuilder(da);
            da.UpdateCommand = cb.GetUpdateCommand();
            dt = new DataTable();
            da.AcceptChangesDuringUpdate = true;
            da.Fill(dt);
            listview1.ItemsSource = dt.DefaultView;
            conn.Close();
        }        //点击获取数据按钮
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            da.Update(dt);
            getdata();
        }
    }
}敲的手都疼了，测试通过》。我现在正在研究Ribbon,有空交流一下呵呵

Answer 2

别的不知道了 -_-!wpf推荐的就是使用绑定Binding的方法PS：winform和wpf的展示原理是不同的，wpf其实就是类似B/S的程序，前台展示层后台处理逻辑。也就是真正意义上的视图和代码分离。因此我也建议你使用这种方法