[程式碼] xml程式碼

<UserControl x:Class='SilverlightApplication3.MainPage' xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml' xmlns:d='http://schemas.microsoft.com/expression/blend/2008' xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' mc:Ignorable='d' d:DesignWidth='640' d:DesignHeight='480'> <Grid x:Name="LayoutRoot" Background="#FF959595"> <Grid.RowDefinitions> <RowDefinition Height="25"></RowDefinition> <RowDefinition Height="25"></RowDefinition> <RowDefinition Height="25"></RowDefinition> <RowDefinition Height="*"></RowDefinition> </Grid.RowDefinitions> <StackPanel Grid.Row="0" Orientation="Horizontal" Margin="5,5,0,0"> <TextBlock Text="Lat:" /> <TextBox x:Name="txLat" Height="22" Width="85" Text="40.78343" /> <TextBlock Text="Long:" /> <TextBox x:Name="txLong" Height="22" Width="85" Text="-73.96625" /> <Button x:Name="btnXML" Content="Get XML" Click="LoadJSON" /> </StackPanel> <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="5,5,0,0"> <TextBlock Text="City:" /> <TextBlock x:Name="txCity" FontSize="12" FontFamily="Courier New" VerticalAlignment="Center" /> </StackPanel> <StackPanel Grid.Row="2" Orientation="Horizontal" Margin="5,5,0,0"> <TextBlock Text="Name:" /> <TextBlock x:Name="txName" FontSize="12" FontFamily="Courier New" VerticalAlignment="Center" /> </StackPanel> <StackPanel Grid.Row="3" Margin="5,5,0,0"> <TextBlock Text="Raw Results:" /> <TextBlock x:Name="txtResults" TextWrapping="Wrap" FontFamily="Courier New" FontSize="11" /> </StackPanel> </Grid> </UserControl>

[程式碼] Page.cs

using System; using System.IO; using System.Json; using System.Net; using System.Threading; using System.Windows; using System.Windows.Controls; using System.Xml; using System.Runtime.Serialization.Json; namespace SilverlightApplication3 { public partial class MainPage : UserControl { SynchronizationContext uiThread; public MainPage() { InitializeComponent(); } private void LoadJSON(object sender, RoutedEventArgs e) { uiThread = SynchronizationContext.Current; string uriPath = "http://ws.geonames.org/neighbourhoodJSON?formatted=true&lat={0}&lng={1}&style=full"; Uri uri = new Uri(string.Format(uriPath, txLat.Text, txLong.Text), UriKind.Absolute); HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri); request.BeginGetResponse(GetResults, request); } public void GetResults(IAsyncResult e) { HttpWebRequest request = (HttpWebRequest)e.AsyncState; HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(e); Stream responseStream = response.GetResponseStream(); uiThread.Post(UpdateTextJSONObject, responseStream); } public void UpdateTextJSONObject(Object stream) { JsonObject hood = (JsonObject)JsonObject.Load((Stream)stream); txCity.Text = hood["neighbourhood"]["city"]; txName.Text = hood["neighbourhood"]["name"]; txtResults.Text = hood.ToString(); } public void UpdateTextJsonSerializer(object stream) { DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(MyResults)); MyResults hood = (MyResults)ser.ReadObject((Stream)stream); txCity.Text = hood.neighbourhood.city; txName.Text = hood.neighbourhood.name; } } public class MyResults { public Neighborhood neighbourhood { get; set; } } public class Neighborhood { public string adminName2 { get; set; } public string adminCode2 { get; set; } public string adminCode1 { get; set; } public string countryName { get; set; } public string name { get; set; } public string countryCode { get; set; } public string city { get; set; } public string adminName1 { get; set; } } }