Xaml 当组合框选择更改时更改 TextBlock 的文本
Xaml Change text of TextBlock When Combobox Selection Change
我的 Xaml 个文件目前遇到问题。我创建了一个带有 2 个固定组合框项目的组合框。我还创建了一个文本块。这是 xaml 代码:
<StackPanel>
<TextBlock Grid.Column="0" x:Name="UserSettingsConnectorGroupBoxProductTextBlock" HorizontalAlignment="Left" TextWrapping="Wrap" Text="{Binding Strings.UserSettingsConnectorGroupBoxProductText, Source={StaticResource StringLocalizer}}" VerticalAlignment="Center" Margin="10,0,0,0" />
<ComboBox Grid.Column="1" x:Name="UserSettingsConnectorGroupBoxProductComboBox" VerticalAlignment="Center" Width="300" HorizontalAlignment="Left" Margin="10,5,0,0" SelectionChanged="UserSettingsConnectorGroupBoxProductComboBox_SelectionChanged" >
<ComboBoxItem Content="Microsoft Deployment Toolkit" />
<ComboBoxItem Content="Microsoft System Center Configuration Manager" />
</ComboBox>
<StackPanel Orientation="Vertical" HorizontalAlignment="Left" Margin="10,0,0,0">
<TextBlock Name="ConnectorTextBlock" Text="toto" Margin="0,5" >
<TextBlock.Style>
<Style TargetType="TextBlock">
<Style.Triggers>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft Deployment Toolkit">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathMDT, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft System Center Configuration Manager">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathSCCM, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
<StackPanel Orientation="Horizontal" >
<TextBox Name="ConnectorTextBox" Margin="0,5" Width="300">
</TextBox>
<Button Content="Test" Margin="5" Width="100" HorizontalAlignment="Right"/>
</StackPanel>
<Button Content="Save" Width="100" HorizontalAlignment="Left" Margin="0,5" IsEnabled="False"/>
</StackPanel>
预览:
我希望名为 "ConnectorTextBox" 的文本块的文本在组合框选定项更改时更改。为此,我在绑定到 Combobox 控件的 "Text" 属性 的 TextBlock 中创建了 2 个数据触发器。根据 Text 属性 的值,textblock 的 Text 值会发生变化。
但它不起作用。仅显示默认值 "Toto",即使我更改了组合框选择。
任何帮助将不胜感激:) :)
瑞吉斯
避免设置 TextBlock
的 Text
属性。试试这个
<TextBlock Name="ConnectorTextBlock" Margin="0,5" >
<TextBlock.Style>
<Style TargetType="TextBlock">
<Style.Triggers>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft Deployment Toolkit">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathMDT, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft System Center Configuration Manager">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathSCCM, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
如果要设置默认值,请按以下步骤操作
<TextBlock Name="ConnectorTextBlock" Margin="0,5" >
<TextBlock.Style>
<Style TargetType="TextBlock">
<Setter Property="Text" Value="Toto" />
<Style.Triggers>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft Deployment Toolkit">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathMDT, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft System Center Configuration Manager">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathSCCM, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
希望对您有所帮助!!
我的 Xaml 个文件目前遇到问题。我创建了一个带有 2 个固定组合框项目的组合框。我还创建了一个文本块。这是 xaml 代码:
<StackPanel>
<TextBlock Grid.Column="0" x:Name="UserSettingsConnectorGroupBoxProductTextBlock" HorizontalAlignment="Left" TextWrapping="Wrap" Text="{Binding Strings.UserSettingsConnectorGroupBoxProductText, Source={StaticResource StringLocalizer}}" VerticalAlignment="Center" Margin="10,0,0,0" />
<ComboBox Grid.Column="1" x:Name="UserSettingsConnectorGroupBoxProductComboBox" VerticalAlignment="Center" Width="300" HorizontalAlignment="Left" Margin="10,5,0,0" SelectionChanged="UserSettingsConnectorGroupBoxProductComboBox_SelectionChanged" >
<ComboBoxItem Content="Microsoft Deployment Toolkit" />
<ComboBoxItem Content="Microsoft System Center Configuration Manager" />
</ComboBox>
<StackPanel Orientation="Vertical" HorizontalAlignment="Left" Margin="10,0,0,0">
<TextBlock Name="ConnectorTextBlock" Text="toto" Margin="0,5" >
<TextBlock.Style>
<Style TargetType="TextBlock">
<Style.Triggers>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft Deployment Toolkit">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathMDT, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft System Center Configuration Manager">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathSCCM, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
<StackPanel Orientation="Horizontal" >
<TextBox Name="ConnectorTextBox" Margin="0,5" Width="300">
</TextBox>
<Button Content="Test" Margin="5" Width="100" HorizontalAlignment="Right"/>
</StackPanel>
<Button Content="Save" Width="100" HorizontalAlignment="Left" Margin="0,5" IsEnabled="False"/>
</StackPanel>
预览:
我希望名为 "ConnectorTextBox" 的文本块的文本在组合框选定项更改时更改。为此,我在绑定到 Combobox 控件的 "Text" 属性 的 TextBlock 中创建了 2 个数据触发器。根据 Text 属性 的值,textblock 的 Text 值会发生变化。
但它不起作用。仅显示默认值 "Toto",即使我更改了组合框选择。
任何帮助将不胜感激:) :)
瑞吉斯
避免设置 TextBlock
的 Text
属性。试试这个
<TextBlock Name="ConnectorTextBlock" Margin="0,5" >
<TextBlock.Style>
<Style TargetType="TextBlock">
<Style.Triggers>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft Deployment Toolkit">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathMDT, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft System Center Configuration Manager">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathSCCM, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
如果要设置默认值,请按以下步骤操作
<TextBlock Name="ConnectorTextBlock" Margin="0,5" >
<TextBlock.Style>
<Style TargetType="TextBlock">
<Setter Property="Text" Value="Toto" />
<Style.Triggers>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft Deployment Toolkit">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathMDT, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
<DataTrigger Binding="{Binding ElementName=UserSettingsConnectorGroupBoxProductComboBox, Path=Text}" Value="Microsoft System Center Configuration Manager">
<Setter Property="Text" Value="{Binding Strings.UserSettingsConnectorGroupBoxProductTextBlockConnectorPathSCCM, Source={StaticResource StringLocalizer}}" />
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
希望对您有所帮助!!