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的第一個項目我對從媒體的新聞了Windows Phone項目。 在這個項目上,我有一個panaroma項目。在我的第一個篩選器中,我從我的web API獲得了新聞。如何獲取陣列
我用longlist選擇來獲得這些消息,但我希望把第一/熱/最新新上的大它的圖像和文本的頂部。但我不能同時在我的網格和LongListSelector
上正確給出源代碼。
總之,我想列出我的新聞「一個接一個的不滿」,最新的/第一新會大頂部合照。
這裏是我試過;
MainPage.xaml中
<!--Panorama item one-->
<phone:PanoramaItem Header="Haberler" Foreground="DarkGreen">
<ScrollViewer VerticalScrollBarVisibility="Auto" Background="White">
<StackPanel Orientation="Vertical">
<Grid x:Name="HeadNew">
<TextBlock x:Name="textBlock14" Text="{Binding Path=TITLE}" TextWrapping="Wrap" Margin="20,0" FontSize="{StaticResource PhoneFontSizeLarge}" Foreground="Black"/>
<Border Width="400" Height="250">
<Border.Background>
<ImageBrush Stretch="Uniform" ImageSource="{Binding Path=MF658370_IMAGE}"/>
</Border.Background>
</Border>
</Grid>
<phone:LongListSelector x:Name="MainLongListSelector" Background="White" Margin="-20,0,0,0" Height="Auto" Loaded="MainLongListSelectorLoaded" SelectionChanged="MainLongListSelectorSelectionChanged" toolkit:TiltEffect.IsTiltEnabled="True">
<phone:LongListSelector.ItemTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal" Margin="12,2,0,4" Height="Auto" Width="Auto">
<Border Width="126" Height="70">
<Border.Background>
<ImageBrush Stretch="Uniform" ImageSource="{Binding Path=MF12670_IMAGE}"/>
</Border.Background>
</Border>
<TextBlock x:Name="textBlock1" Text="{Binding Path=TITLE}" Margin="10,0" FontSize="{StaticResource PhoneFontSizeMedium}" Foreground="Black" />
</StackPanel>
</DataTemplate>
</phone:LongListSelector.ItemTemplate>
</phone:LongListSelector>
</StackPanel>
</ScrollViewer>
</phone:PanoramaItem>
下面是MainPage.xaml.cs中
private void MainLongListSelectorLoaded(object sender, RoutedEventArgs e)
{
const string url = "MY_WEB_API_URL";
var hWebRequest = (HttpWebRequest)WebRequest.Create(url);
hWebRequest.Method = "GET";
hWebRequest.BeginGetResponse(MainLongListSelectorLoadCompleted, hWebRequest);
}
private void MainLongListSelectorLoadCompleted(IAsyncResult arr)
{
var request = (HttpWebRequest)arr.AsyncState;
var response = (HttpWebResponse)request.EndGetResponse(arr);
using (var streamReader = new StreamReader(response.GetResponseStream()))
{
_json = streamReader.ReadToEnd();
Headlines = JsonConvert.DeserializeObject<FanatikApiAll.RootObject>(_json);
}
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
MainLongListSelector.ItemsSource = Headlines.Headline;
});
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
HeadNew.DataContext = Headlines.Headline;
});
}
沒有命令「FirstOrDefault();」在我的代碼點以後。 –
@ kgms21添加使用'使用System.Linq的;' –
@AlaaMasoud感謝兄弟。 –