Question

我有两个窗口，一个有访问者列表，另一个用于显示它。如果我选择一个访问者（示例SUNDAR）并在另一个页面上显示，如何显示

Xaml访客

<ListView x:Name="listVisitor"  ItemsSource="{Binding}" HorizontalAlignment="Left" Height="582" Margin="110,65,0,0" VerticalAlignment="Top" Width="924" Grid.ColumnSpan="3" />

<Button Content="View Visitor"  Foreground="white" HorizontalAlignment="Left" Margin="98,674,0,0" VerticalAlignment="Top" Width="320" Height="30" Background="#FF1CA0B7" Grid.ColumnSpan="2" Name="ViewBtn" Click="ViewBtn_Click" />

代码

private void ViewBtn_Click(object sender, RoutedEventArgs e)
{
    ViewList dialogBox = new ViewList();`

    // Show window modally 
    // NOTE: Returns only when window is closed
    Nullable<bool> dialogResult = dialogBox.ShowDialog();

}

Viewlist产品

 <TextBox  Name="VisitorNo"/>
 <TextBox Name="Name"/>

码

private void VisitorNo_TextChanged(object sender, TextChangedEventArgs e)       
{

}

private void Name_TextChanged(object sender, TextChangedEventArgs e)
{

}

我已经从访问者的数据库建立连接 enter image description here

Answer 1

首先，您需要定义一个class Visitor，其中包含Visitor（Name，VisitorNo ..）的结构，然后定义包含该列表的ObservableCollection您的访问者并将您的列表绑定到该集合，并且不要忘记设置DataContext。每次按下按钮，您都可以将Dalog的DataContext设置为所选的访问者，此处为完整代码：

首先：对于主窗口 XAML

 <StackPanel>
    <ListView x:Name="listVisitor"  ItemsSource="{Binding ListVisitors}" DisplayMemberPath="Name"  />
    <Button Content="View Visitor"    Click="ViewBtn_Click" />
</StackPanel>

和codeBehind

public class Visitor
{
    public String Name { get; set; }        
    public int VisitorNo { get; set; }
}

public partial class MainWindow : Window
{
    public ObservableCollection<Visitor> ListVisitors { get; set; }
    public MainWindow()
    {
        InitializeComponent();
        this.DataContext = this;
        ListVisitors=new ObservableCollection<Visitor>()
        {
            new Visitor()
            {
                Name = "name1",                    
                VisitorNo=21
            },
             new Visitor()
            {
                Name = "name2",                    
                VisitorNo=21
            },
             new Visitor()
            {
                Name = "name3",                    
                VisitorNo=21
            }
        };

    }

    private void ViewBtn_Click(object sender, RoutedEventArgs e)
    {
        if (listVisitor.SelectedItem!=null)
        {
            var dialogBox = new Viewlist((Visitor)listVisitor.SelectedItem);
            var dialogResult = dialogBox.ShowDialog();
        }


    }
}

第二次这里的对话是他的xaml

    <StackPanel>

    <TextBox  Text="{Binding VisitorDataContext.Name,Mode=TwoWay}"/>
    <TextBox  Text="{Binding VisitorDataContext.VisitorNo,Mode=TwoWay}"/>
    <Button Content="Close" Click="ButtonBase_OnClick"></Button>
</StackPanel>

及其背后的代码

public partial class Viewlist : Window
{
    public Visitor VisitorDataContext { get; set; }    
    public Viewlist(Visitor visitor)
    {
        InitializeComponent();
        this.DataContext = this;
        VisitorDataContext = visitor;
    }

    private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
    {
        this.Close();
    }
}

使用其构造函数将选定的Visitor传递给对话框。

在列表视图中显示所选数据

1 个答案: