從具有相同名稱WP7的XML中選擇多個條目

Question

我已經嘗試了好幾個小時，並在網上搜索了有關如何提取多個具有相同名稱但屬性不同的元素並將其綁定到我的針對wp7的應用程序中的XAML的示例，

對我來說，最簡單的解釋就是向您展示，

到目前為止我這里

       public class Match
    {
        public string HomeTeam { get; set; }
        public string AwayTeam { get; set; }
        public string HomeScore { get; set; }
        public string AwayScore { get; set; }
        public string GoalsPlayer { get; set; }
        public string goal { get; set; }
        public string GoalsTime { get; set; }
        public string DismissalsPlayer { get; set; }
        public string DismissalsTime { get; set; }
        public string BookingPlayer { get; set; }
        public string BookingTime { get; set; }
        public string GameTime { get; set; }
    }

 void wc_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
    {
        XElement element = XElement.Parse(e.Result);
        try
        {
            listBox2.ItemsSource = from item in element.Descendants("competition")
                                   from match in item.Elements("match").Where(arg => arg.Attribute("awayTeam").Value == team | arg.Attribute("homeTeam").Value == team)
                                   select new Match
                                   {
                                       HomeTeam = (string)match.Attribute("homeTeam"),
                                       AwayTeam = (string)match.Attribute("awayTeam"),
                                       HomeScore = (string)match.Attribute("homeTeamScore"),
                                       AwayScore = (string)match.Attribute("awayTeamScore"),
                                       GoalsPlayer = (string)match.Attribute("playerName"),
                                       GoalsTime = (string)match.Attribute("time"),
                                   };
        }
        catch (Exception ex)
        {
             Debug.WriteLine(ex.StackTrace);
        }

這是我的XAML

<ListBox Name="listBox2" Grid.Row="0">
                    <ListBox.ItemTemplate>
                        <DataTemplate>
                            <StackPanel Name="teams" Orientation="Vertical">
                                <StackPanel Orientation="Horizontal">
                                    <TextBlock Margin="0,10,0,0" Foreground="White" HorizontalAlignment="Left" Text="{Binding HomeTeam}"/>
                                    <TextBlock Margin="10,10,30,0" Foreground="White" Text="{Binding HomeScore}" TextWrapping="Wrap" FontSize="20" />
                                    <TextBlock Margin="0,10,0,0" Foreground="White" HorizontalAlignment="Left" Text="{Binding AwayTeam}"/>
                                    <TextBlock Margin="10,10,30,0" Foreground="White" Text="{Binding AwayScore}" TextWrapping="Wrap" FontSize="20" />
                                </StackPanel>
                                <StackPanel Name="scores" Orientation="Horizontal">
                                    <TextBlock Margin="0,10,0,0" Foreground="White" Text="{Binding GoalsPlayer}" TextWrapping="Wrap" FontSize="20" />
                                    <TextBlock Margin="10,10,30,0" Foreground="White" Text="{Binding GoalsTime}" TextWrapping="Wrap" FontSize="20" />
                                </StackPanel>
                                <StackPanel Name="dismissals">
                                    <TextBlock Foreground="White" Text="{Binding DismissalsPlayer}" TextWrapping="Wrap" FontSize="20"/>
                                    <TextBlock Foreground="White" Text="{Binding DismissalsTime}" TextWrapping="Wrap" FontSize="20"/>
                                </StackPanel>
                            </StackPanel>
                        </DataTemplate>
                    </ListBox.ItemTemplate>
                </ListBox>

這是我的XML

<match homeTeam="Arsenal" awayTeam="Liverpool" homeTeamScore="0" awayTeamScore="2">
<goal time="77:13" playerName="Aaron Ramsey" />
<goal time="89:57" playerName="Luis Suarez"/>
<dismissal time="69:59" playerName="Emmanuel Frimpong"/>
</match>

我了解我只會在目標頁面上獲得一個條目，這將是XML中的第一個目標元素

我該如何解決並實施每個

<goal ...>
<goal ...>

放到目前僅顯示第一個條目的數據模板中，另一個潛在的問題是我無法保證會有多少個目標，因此我不確定如何完全實現它

謝謝

約翰

Answer 1

playerName是否應該在您的match解決？ 因為那是您在XML查詢中解析它的地方。

無論如何，您在這里尋找的都是可以保存在Match對象的list屬性中的子對象：

listBox2.ItemsSource = from item in element.Descendants("competition")
                       from match in item.Elements("match")
                           .Where(arg => arg.Attribute("awayTeam").Value == team || 
                                         arg.Attribute("homeTeam").Value == team)
                       select new Match
                       {
                           HomeTeam = (string)match.Attribute("homeTeam"),
                           AwayTeam = (string)match.Attribute("awayTeam"),
                           HomeScore = (string)match.Attribute("homeTeamScore"),
                           AwayScore = (string)match.Attribute("awayTeamScore"),
                           Goals = match.Elements("goals").Select(ev => new MatchEvent
                           {
                               Player = (string)ev.Attribute("playerName"),
                               Time = (string)ev.Attribute("time")
                           }).ToList(),
                           Dismissals = match.Elements("dismissals").Select(ev => new MatchEvent
                           {
                               Player = (string)ev.Attribute("playerName"),
                               Time = (string)ev.Attribute("time")
                           }).ToList(),
                       };

以及更新的XAML：

<ListBox Name="listBox2" Grid.Row="0">
    <ListBox.ItemTemplate>
        <DataTemplate>
             <StackPanel Name="teams" Orientation="Vertical">
             <StackPanel Orientation="Horizontal">
                  <TextBlock Margin="0,10,0,0" Foreground="White" HorizontalAlignment="Left" Text="{Binding HomeTeam}"/>
                  <TextBlock Margin="10,10,30,0" Foreground="White" Text="{Binding HomeScore}" TextWrapping="Wrap" FontSize="20" />
                  <TextBlock Margin="0,10,0,0" Foreground="White" HorizontalAlignment="Left" Text="{Binding AwayTeam}"/>
                  <TextBlock Margin="10,10,30,0" Foreground="White" Text="{Binding AwayScore}" TextWrapping="Wrap" FontSize="20" />
              </StackPanel>
              <ItemsControl ItemsSource="{Binding Goals}">
                  <ItemsControl.ItemTemplate>
                      <DataTemplate>
                          <StackPanel Name="scores" Orientation="Horizontal">
                              <TextBlock Margin="0,10,0,0" Foreground="White" Text="{Binding Player}" TextWrapping="Wrap" FontSize="20" />
                              <TextBlock Margin="10,10,30,0" Foreground="White" Text="{Binding Time}" TextWrapping="Wrap" FontSize="20" />
                          </StackPanel>
                      </DataTemplate>
                  </ItemsControl.ItemTemplate>
              </ItemsControl>

              <ItemsControl ItemsSource="{Binding Dismissals}">
                  <ItemsControl.ItemTemplate>
                      <DataTemplate>
                          <StackPanel Name="scores" Orientation="Horizontal">
                              <TextBlock Margin="0,10,0,0" Foreground="White" Text="{Binding Player}" TextWrapping="Wrap" FontSize="20" />
                              <TextBlock Margin="10,10,30,0" Foreground="White" Text="{Binding Time}" TextWrapping="Wrap" FontSize="20" />
                          </StackPanel>
                      </DataTemplate>
                  </ItemsControl.ItemTemplate>
              </ItemsControl>
          </StackPanel>
      </DataTemplate>
  </ListBox.ItemTemplate>
</ListBox>