[英]How to get id values from listpicker?
I'm developing windows Phone 8 application. 我正在开发Windows Phone 8应用程序。
In my app i use List Picker .list picker value is bind from web service (json format) 在我的应用程序中,我使用列表选择器。列表选择器值是从Web服务绑定的(JSON格式)
My web service result return format 我的Web服务结果返回格式
[
- {
id: "9",
name: "Pizza",
root_id: "4",
level: "1"
},
-{
id: "10",
name: "Fine Dining",
root_id: "4",
level: "1"
},
]
My XAML code for list picker 我的清单选择器的XAML代码
<toolkit:ListPicker x:Name="filterpicker" SelectionChanged="filterpicker_SelectionChanged" Tap="filterpicker_Tap" Foreground="White" BorderThickness="0" Margin="395,-100,0,10" Height="70" Width="60">
<toolkit:ListPicker.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding}" Visibility="Collapsed"/>
</DataTemplate>
</toolkit:ListPicker.ItemTemplate>
<toolkit:ListPicker.FullModeItemTemplate>
<DataTemplate>
<TextBlock>
<Run Text="{Binding}"/>
</TextBlock>
</DataTemplate>
</toolkit:ListPicker.FullModeItemTemplate>
</toolkit:ListPicker>
My c# code for bind 我的C#代码绑定
void filterwc_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
var filterdata = e.Result;
var filtervalue = JsonConvert.DeserializeObject<List<filterdatas>>(filterdata);
List<string> filtercategories = new List<string>();
foreach (filterdatas budval2 in filtervalue)
{
filtercategories.Add(budval2.id); /**I need to display the name and on selectionchanged event i need to get the id value**/
}
filterpicker.ItemsSource = filtercategories;
}
if my question is not clear plz tell i give more info ... 如果我的问题不清楚,请告诉我更多信息...
I need Like this 我需要这样
List picker out put come like this 清单选择器放出来像这样
Pizza 比萨
Fine Dining 美食
On SelectionChanged Event 在SelectionChanged事件上
if i click Pizza I need to get "9" 如果我单击Pizza,我需要输入“ 9”
if i click Fine Dining I need to get "10" 如果我点击“美食”,我需要得到“ 10”
Thank you... 谢谢...
<toolkit:ListPicker.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding name}" Visibility="Collapsed"/>
</DataTemplate>
</toolkit:ListPicker.ItemTemplate>
<toolkit:ListPicker.FullModeItemTemplate>
<DataTemplate>
<TextBlock>
<Run Text="{Binding name}"/>
</TextBlock>
</DataTemplate>
</toolkit:ListPicker.FullModeItemTemplate>
code Behind: 后面的代码:
var filterdata = e.Result;
var filtervalue = JsonConvert.DeserializeObject<List<filterdatas>>(filterdata);
filterpicker.ItemsSource = filtervalue;
selection changed event 选择更改事件
if(filterpicker.SelectedItem == null)
return;
filterdatas element = filterpicker.SelectedItem as filterdatas;
MessageBox.Show("This is the id:"+element.id);
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