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POhow to get value currently binded to textbox?
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  1. POhow to get value currently binded to textbox?
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    copied!<p>i need your advice, please:)</p> <p>I have a textbox inside a FlipView bound to title property, that shows current Title of a page. </p> <pre><code>&lt;TextBlock x:Name="jmeno" FontSize="26.667" FontWeight="Light" Text="{Binding Title}" TextWrapping="Wrap" /&gt; </code></pre> <p>And i have a media element showing a video.</p> <pre><code>&lt;MediaElement x:Name="mmedia" Source="Video/prvniVideo.mp4" Height="300" Grid.Row="1" KeyUp="mmedia_KeyUp" /&gt; </code></pre> <p>I would like to open different video on different pages and I am trying to accomplish it like this - read the actual display value of texblock and base on that decide, which video to open in media element.</p> <p>Something like this.</p> <pre><code> string AktualniStranka; AktualniStranka = jmeno.Text; if (AktualniStranka == "Exercise 1") { mmedia.Source = new Uri("ms-appx:/Video/prvniVideo.mp4", UriKind.RelativeOrAbsolute); mmedia.Play(); } else { mmedia.Source = new Uri("ms-appx:/Video/Gumm.mp4", UriKind.RelativeOrAbsolute); mmedia.Play(); } </code></pre> <p>But it is not working - I have tried to read just the text of the textblock and put it in another textblock and it is not working either, I have spent almost the whole day trying to make it work.. Please help guys:)</p> <p>Full XAML code:</p> <pre><code>&lt;common:LayoutAwarePage x:Name="pageRoot" x:Class="ContosoCookbook.ItemDetailPage" DataContext="{Binding DefaultViewModel, RelativeSource={RelativeSource Self}}" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:ContosoCookbook" xmlns:data="using:ContosoCookbook.Data" xmlns:common="using:ContosoCookbook.Common" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"&gt; &lt;Page.Resources&gt; &lt;!-- Collection of items displayed by this page --&gt; &lt;Style x:Name="transportStyle" TargetType="Button"&gt; &lt;Setter Property="Height" Value="40" /&gt; &lt;Setter Property="Width" Value="75" /&gt; &lt;Setter Property="FontSize" Value="11" /&gt; &lt;/Style&gt; &lt;CollectionViewSource x:Name="itemsViewSource" Source="{Binding Items}" d:Source="{Binding AllGroups[0].Items, Source={d:DesignInstance Type=data:SampleDataSource, IsDesignTimeCreatable=True}}"/&gt; &lt;common:ListConverter x:Key="ListConverter" /&gt; &lt;Style x:Key="BragAppBarButtonStyle" TargetType="Button" BasedOn="{StaticResource AppBarButtonStyle}"&gt; &lt;Setter Property="AutomationProperties.AutomationId" Value="BragAppBarButton"/&gt; &lt;Setter Property="AutomationProperties.Name" Value="Brag"/&gt; &lt;Setter Property="Content" Value="&amp;#xE170;"/&gt; &lt;/Style&gt; &lt;Style x:Key="ReminderAppBarButtonStyle" TargetType="Button" BasedOn="{StaticResource AppBarButtonStyle}"&gt; &lt;Setter Property="AutomationProperties.AutomationId" Value="ReminderAppBarButton"/&gt; &lt;Setter Property="AutomationProperties.Name" Value="Reminder"/&gt; &lt;Setter Property="Content" Value="&amp;#xE121;"/&gt; &lt;/Style&gt; &lt;local:ProductLicenseDataSource x:Key="License" /&gt; &lt;common:BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/&gt; &lt;/Page.Resources&gt; &lt;Page.BottomAppBar&gt; &lt;AppBar x:Name="PageAppBar" Padding="10,0,10,0"&gt; &lt;Grid&gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="50*"/&gt; &lt;ColumnDefinition Width="50*"/&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;StackPanel x:Name="LeftCommands" Orientation="Horizontal" Grid.Column="0" HorizontalAlignment="Left"&gt; &lt;Button x:Name="BragButton" HorizontalAlignment="Left" Style="{StaticResource BragAppBarButtonStyle}" Click="OnBragButtonClicked" /&gt; &lt;Button x:Name="PinRecipeButton" HorizontalAlignment="Left" Style="{StaticResource PinAppBarButtonStyle}" Click="OnPinRecipeButtonClicked" /&gt; &lt;Button x:Name="ReminderButton" HorizontalAlignment="Left" Style="{StaticResource ReminderAppBarButtonStyle}" Click="OnReminderButtonClicked" /&gt; &lt;/StackPanel&gt; &lt;StackPanel x:Name="RightCommands" Orientation="Horizontal" Grid.Column="1" HorizontalAlignment="Right"&gt; &lt;/StackPanel&gt; &lt;/Grid&gt; &lt;/AppBar&gt; &lt;/Page.BottomAppBar&gt; &lt;!-- This grid acts as a root panel for the page that defines two rows: * Row 0 contains the back button and page title * Row 1 contains the rest of the page layout --&gt; &lt;Grid Style="{StaticResource LayoutRootStyle}" DataContext="{Binding Group}" d:DataContext="{Binding AllGroups[0], Source={d:DesignInstance Type=data:SampleDataSource, IsDesignTimeCreatable=True}}"&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition Height="140"/&gt; &lt;RowDefinition Height="*"/&gt; &lt;/Grid.RowDefinitions&gt; &lt;!-- The remainder of the page is one large FlipView that displays details for one item at a time, allowing the user to flip through all items in the chosen group --&gt; &lt;FlipView x:Name="flipView" AutomationProperties.AutomationId="ItemsFlipView" AutomationProperties.Name="Item Details" TabIndex="1" Grid.RowSpan="2" ItemsSource="{Binding Source={StaticResource itemsViewSource}}"&gt; &lt;FlipView.ItemContainerStyle&gt; &lt;Style TargetType="FlipViewItem"&gt; &lt;Setter Property="Margin" Value="0,137,0,0"/&gt; &lt;/Style&gt; &lt;/FlipView.ItemContainerStyle&gt; &lt;FlipView.ItemTemplate&gt; &lt;DataTemplate&gt; &lt;UserControl Loaded="StartLayoutUpdates" Unloaded="StopLayoutUpdates"&gt; &lt;ScrollViewer x:Name="scrollViewer" Style="{StaticResource VerticalScrollViewerStyle}" Grid.Row="1"&gt; &lt;!-- Three-column grid for item-detail layout --&gt; &lt;Grid Margin="120,0,20,20"&gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="600" /&gt; &lt;ColumnDefinition Width="40" /&gt; &lt;ColumnDefinition /&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;StackPanel Orientation="Vertical" Grid.Column="0"&gt; &lt;TextBlock x:Name="jmeno" FontSize="26.667" FontWeight="Light" Text="{Binding Title}" TextWrapping="Wrap" /&gt; &lt;/StackPanel&gt; &lt;StackPanel Orientation="Vertical" Grid.Column="4"&gt; &lt;TextBlock FontSize="26.667" FontWeight="Light" Text="Description" Margin="0,0,0,16"/&gt; &lt;TextBlock FontSize="26.667" FontWeight="Light" Text="{Binding ShortDesctiption}" TextWrapping="Wrap"/&gt; &lt;ScrollViewer Style="{StaticResource VerticalScrollViewerStyle}"&gt; &lt;Grid&gt; &lt;TextBlock FontSize="20" FontWeight="Light" Text="{Binding Directions}" TextWrapping="Wrap" Visibility="{Binding IsLicensed, Source={StaticResource License}, Converter={StaticResource BooleanToVisibilityConverter }}" /&gt; &lt;Button Width="225" Height="120" Background="#30ffffff" Click="OnPurchaseProduct" Visibility="{Binding IsTrial, Source={StaticResource License}, Converter={StaticResource BooleanToVisibilityConverter }}"&gt; &lt;Button.Content&gt; &lt;TextBlock Text="{Binding FormattedPrice, Source={StaticResource License}}" TextWrapping="Wrap" TextAlignment="Center" /&gt; &lt;/Button.Content&gt; &lt;/Button&gt; &lt;/Grid&gt; &lt;/ScrollViewer&gt; &lt;/StackPanel&gt; &lt;/Grid&gt; &lt;VisualStateManager.VisualStateGroups&gt; &lt;!-- Visual states reflect the app's view state inside the FlipView --&gt; &lt;VisualStateGroup x:Name="ApplicationViewStates"&gt; &lt;VisualState x:Name="FullScreenLandscape"/&gt; &lt;VisualState x:Name="Filled"/&gt; &lt;!-- Respect the narrower 100-pixel margin convention for portrait --&gt; &lt;VisualState x:Name="FullScreenPortrait"&gt; &lt;Storyboard&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="image" Storyboard.TargetProperty="MaxHeight"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="400"/&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;/Storyboard&gt; &lt;/VisualState&gt; &lt;!-- When snapped, the content is reformatted and scrolls vertically --&gt; &lt;VisualState x:Name="Snapped"&gt; &lt;Storyboard&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="scrollViewer" Storyboard.TargetProperty="Style"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource VerticalScrollViewerStyle}"/&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="image" Storyboard.TargetProperty="MaxHeight"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="160"/&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;/Storyboard&gt; &lt;/VisualState&gt; &lt;/VisualStateGroup&gt; &lt;/VisualStateManager.VisualStateGroups&gt; &lt;/ScrollViewer&gt; &lt;/UserControl&gt; &lt;/DataTemplate&gt; &lt;/FlipView.ItemTemplate&gt; &lt;/FlipView&gt; &lt;!-- MEDIA PANEL--&gt; &lt;StackPanel Orientation="Vertical" Grid.Row="1" &gt; &lt;Border BorderThickness="5" BorderBrush="White" Background="Black" HorizontalAlignment="Left" Margin="165,50,0,0" VerticalAlignment="Top"&gt; &lt;ContentControl x:Name="VideoContainer" Height="300" KeyUp="VideoContainer_KeyUp" &gt; &lt;MediaElement x:Name="mmedia" Source="Video/prvniVideo.mp4" Height="300" Grid.Row="1" KeyUp="mmedia_KeyUp" /&gt; &lt;/ContentControl&gt; &lt;/Border&gt; &lt;StackPanel Orientation="Horizontal" Margin="140,20,0,0"&gt; &lt;Button Name="btnPlay" Click="btnPlay_Click" Style="{StaticResource transportStyle}" Content="Play" /&gt; &lt;Button Name="btnPause" Click="btnPause_Click" Style="{StaticResource transportStyle}" Content="Pause" /&gt; &lt;Button Name="btnStop" Click="btnStop_Click" Style="{StaticResource transportStyle}" Content="Stop" /&gt; &lt;Button Name="btnReverse" Click="btnReverse_Click" Style="{StaticResource transportStyle}" Content="Rewind" /&gt; &lt;Button Name="btnForward" Click="btnForward_Click" Style="{StaticResource transportStyle}" Content="Forward" /&gt; &lt;Button Name="btnVolumeUp" Click="btnVolumeUp_Click" Style="{StaticResource transportStyle}" Content="-" /&gt; &lt;Button Name="btnVolumeDown" Click="btnVolumeDown_Click" Style="{StaticResource transportStyle}" Content="+" /&gt; &lt;Button Name="btnMute" Click="btnMute_Click" Style="{StaticResource transportStyle}" Content="Mute" /&gt; &lt;/StackPanel&gt; &lt;Button x:Name="btnFullScreenToggle" Click="btnFullScreenToggle_Click" Style="{StaticResource transportStyle}" Content="Full Screen ON" Margin="290,0,0,0" Width="302" /&gt; &lt;TextBlock x:Name="poser" FontSize="26.667" FontWeight="Light" Text="poser" TextWrapping="Wrap" /&gt; &lt;/StackPanel&gt; &lt;!-- FlipView used in portrait mode --&gt; &lt;FlipView x:Name="portraitFlipView" AutomationProperties.AutomationId="ItemsFlipView" AutomationProperties.Name="Item Details" Grid.Row="1" Margin="0,-3,20,0" ItemsSource="{Binding Source={StaticResource itemsViewSource}}" Visibility="Collapsed"&gt; &lt;FlipView.ItemTemplate&gt; &lt;DataTemplate&gt; &lt;UserControl Loaded="StartLayoutUpdates" Unloaded="StopLayoutUpdates"&gt; &lt;ScrollViewer x:Name="scrollViewer" Style="{StaticResource VerticalScrollViewerStyle}" Grid.Row="1"&gt; &lt;!-- Vertical StackPanel for item-detail layout --&gt; &lt;StackPanel Orientation="Vertical" Margin="100,0,20,0"&gt; &lt;StackPanel Orientation="Vertical"&gt; &lt;TextBlock FontSize="26.667" FontWeight="Light" Text="{Binding Title}" TextWrapping="Wrap"/&gt; &lt;Image x:Name="image" Width="400" Margin="0,20,0,40" Stretch="Uniform" Source="{Binding Image}" HorizontalAlignment="Left"/&gt; &lt;/StackPanel&gt; &lt;StackPanel Orientation="Vertical"&gt; &lt;TextBlock FontSize="26.667" FontWeight="Light" Text="Ingredients" Margin="0,0,0,16"/&gt; &lt;TextBlock FontSize="20" FontWeight="Light" LineHeight="32.5" Text="{Binding Ingredients, Converter={StaticResource ListConverter}}" TextWrapping="Wrap" /&gt; &lt;/StackPanel&gt; &lt;StackPanel Orientation="Vertical"&gt; &lt;TextBlock FontSize="26.667" FontWeight="Light" Text="Directions" Margin="0,24,0,16"/&gt; &lt;ScrollViewer Style="{StaticResource VerticalScrollViewerStyle}"&gt; &lt;Grid&gt; &lt;TextBlock FontSize="20" FontWeight="Light" Text="{Binding Directions}" TextWrapping="Wrap" Visibility="{Binding IsLicensed, Source={StaticResource License}, Converter={StaticResource BooleanToVisibilityConverter }}" /&gt; &lt;Button Width="225" Height="120" Background="#30ffffff" Click="OnPurchaseProduct" Visibility="{Binding IsTrial, Source={StaticResource License}, Converter={StaticResource BooleanToVisibilityConverter }}"&gt; &lt;Button.Content&gt; &lt;TextBlock Text="{Binding FormattedPrice, Source={StaticResource License}}" TextWrapping="Wrap" TextAlignment="Center" /&gt; &lt;/Button.Content&gt; &lt;/Button&gt; &lt;/Grid&gt; &lt;/ScrollViewer&gt; &lt;/StackPanel&gt; &lt;/StackPanel&gt; &lt;/ScrollViewer&gt; &lt;/UserControl&gt; &lt;/DataTemplate&gt; &lt;/FlipView.ItemTemplate&gt; &lt;/FlipView&gt; &lt;FlipView x:Name="snappedFlipView" AutomationProperties.AutomationId="ItemsFlipView" AutomationProperties.Name="Item Details" Grid.Row="1" Margin="0,-3,0,0" ItemsSource="{Binding Source={StaticResource itemsViewSource}}" Visibility="Collapsed"&gt; &lt;FlipView.ItemTemplate&gt; &lt;DataTemplate&gt; &lt;UserControl Loaded="StartLayoutUpdates" Unloaded="StopLayoutUpdates"&gt; &lt;ScrollViewer x:Name="scrollViewer" Style="{StaticResource VerticalScrollViewerStyle}" Grid.Row="1"&gt; &lt;!-- Vertical StackPanel for item-detail layout --&gt; &lt;StackPanel Orientation="Vertical" Margin="20,0,20,0"&gt; &lt;StackPanel Orientation="Vertical"&gt; &lt;TextBlock FontSize="20" FontWeight="Light" Text="{Binding Title}" TextWrapping="Wrap"/&gt; &lt;Image x:Name="image" Width="260" Margin="0,12,0,40" Stretch="Uniform" Source="{Binding Image}" HorizontalAlignment="Left"/&gt; &lt;/StackPanel&gt; &lt;StackPanel Orientation="Vertical"&gt; &lt;TextBlock FontSize="20" FontWeight="Light" Text="Ingredients" Margin="0,0,0,16"/&gt; &lt;TextBlock FontSize="16" FontWeight="Light" TextWrapping="Wrap" Text="{Binding Ingredients, Converter={StaticResource ListConverter}}" /&gt; &lt;/StackPanel&gt; &lt;/StackPanel&gt; &lt;/ScrollViewer&gt; &lt;/UserControl&gt; &lt;/DataTemplate&gt; &lt;/FlipView.ItemTemplate&gt; &lt;/FlipView&gt; &lt;!-- Back button and page title --&gt; &lt;Grid HorizontalAlignment="Left" &gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="Auto"/&gt; &lt;ColumnDefinition Width="*"/&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;Button x:Name="backButton" Click="GoBack" IsEnabled="{Binding Frame.CanGoBack, ElementName=pageRoot}" Style="{StaticResource BackButtonStyle}"/&gt; &lt;TextBlock x:Name="pageTitle" Text="{Binding Title}" Style="{StaticResource PageHeaderTextStyle}" Grid.Column="1" IsHitTestVisible="false"/&gt; &lt;Button Name="btnFullScreenOff" Click="btnFullScreenToggle_Click" Style="{StaticResource transportStyle}" Content="Full Screen OFF" HorizontalAlignment="Right" Grid.Column="1" Margin="0,56,495,36" RenderTransformOrigin="-9.161,0.266" Height="48" Width="106" Visibility="Collapsed" /&gt; &lt;/Grid&gt; &lt;VisualStateManager.VisualStateGroups&gt; &lt;!-- Visual states reflect the application's view state --&gt; &lt;VisualStateGroup x:Name="ApplicationViewStates"&gt; &lt;VisualState x:Name="FullScreenLandscape"/&gt; &lt;VisualState x:Name="Filled"/&gt; &lt;!-- The back button respects the narrower 100-pixel margin convention for portrait --&gt; &lt;VisualState x:Name="FullScreenPortrait"&gt; &lt;Storyboard&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="backButton" Storyboard.TargetProperty="Style"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PortraitBackButtonStyle}"/&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="flipView" Storyboard.TargetProperty="Visibility"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="Collapsed"/&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="portraitFlipView" Storyboard.TargetProperty="Visibility"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="Visible"/&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;/Storyboard&gt; &lt;/VisualState&gt; &lt;!-- The back button and title have different styles when snapped --&gt; &lt;VisualState x:Name="Snapped"&gt; &lt;Storyboard&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="backButton" Storyboard.TargetProperty="Style"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SnappedBackButtonStyle}"/&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="pageTitle" Storyboard.TargetProperty="Style"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SnappedPageHeaderTextStyle}"/&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="flipView" Storyboard.TargetProperty="Visibility"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="Collapsed"/&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="snappedFlipView" Storyboard.TargetProperty="Visibility"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="Visible"/&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;/Storyboard&gt; &lt;/VisualState&gt; &lt;/VisualStateGroup&gt; &lt;/VisualStateManager.VisualStateGroups&gt; &lt;/Grid&gt; </code></pre> <p></p> <p>Full C# code:</p>
 

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