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POThe name TemplateSelector does not exist in the namespace
 

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  1. POThe name TemplateSelector does not exist in the namespace
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    <p>Hi I get this error <code>Error 1 The name "TemplateSelector" does not exist in the namespace "using:MyApps"</code> but I dont know why because when I create new project and paste the same code to him everything is working so problem is only in my old project. I also try clean or rebuild project 100 times and manually delete bin folder but still not work.</p> <pre><code>&lt;Page x:Class="MyApps.BlankPage1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:MyApps" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"&gt; </code></pre> <p>...</p> <pre><code> &lt;UserControl&gt; &lt;UserControl.Resources&gt; &lt;!-- Template for INCOMNIG messages --&gt; &lt;DataTemplate x:Key="IncomnigTemplate"&gt; &lt;Grid&gt; &lt;Grid Margin="27,0,0,0" HorizontalAlignment="Left" Background="#BFE8FF" &gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="*"/&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition Height="auto"&gt;&lt;/RowDefinition&gt; &lt;RowDefinition Height="auto"&gt;&lt;/RowDefinition&gt; &lt;/Grid.RowDefinitions&gt; &lt;TextBlock Grid.Column="0" Grid.Row="0" Text="{Binding MessengerMessage}" HorizontalAlignment="Left" Margin="5,5,20,0" VerticalAlignment="Top" Foreground="black"&gt;&lt;/TextBlock&gt; &lt;TextBlock Grid.Column="0" Grid.Row="1" Text="{Binding MessengerTime}" HorizontalAlignment="Left" Margin="5,0,0,5" VerticalAlignment="Bottom" FontSize="9" Foreground="#908C8C"&gt;&lt;/TextBlock&gt; &lt;/Grid&gt; &lt;/Grid&gt; &lt;/DataTemplate&gt; &lt;!-- Template for OUTGOING messages --&gt; &lt;DataTemplate x:Key="OutgoinTemplate"&gt; &lt;Grid&gt; &lt;Grid Margin="27,0,0,0" HorizontalAlignment="Right" Background="Gray" &gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="*"/&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition Height="auto"&gt;&lt;/RowDefinition&gt; &lt;RowDefinition Height="auto"&gt;&lt;/RowDefinition&gt; &lt;/Grid.RowDefinitions&gt; &lt;TextBlock Grid.Column="0" Grid.Row="0" Text="{Binding MessengerMessage}" HorizontalAlignment="Left" Margin="5,5,20,0" VerticalAlignment="Top" Foreground="black"&gt;&lt;/TextBlock&gt; &lt;TextBlock Grid.Column="0" Grid.Row="1" Text="{Binding MessengerTime}" HorizontalAlignment="Left" Margin="5,0,0,5" VerticalAlignment="Bottom" FontSize="9" Foreground="#908C8C"&gt;&lt;/TextBlock&gt; &lt;/Grid&gt; &lt;/Grid&gt; &lt;/DataTemplate&gt; &lt;!-- datatemplate selector --&gt; &lt;local:TemplateSelector x:Key="MessageTemplateSelector" EmptyTemplate="{x:Null}" IncomingMessageTemplate="{StaticResource IncomnigTemplate}" OutgoingMessageCaptureTemplate="{StaticResource OutgoinTemplate}"/&gt; &lt;/UserControl.Resources&gt; &lt;ListBox ItemTemplateSelector="{StaticResource MessageTemplateSelector}" x:Name="lbChoosenMessagesUsers" Grid.Column="3" FontSize="13" ItemsSource="{Binding MyDatasCurentUser}" Margin="0,0,50,0"&gt; &lt;ListBox.ItemContainerStyle&gt; &lt;Style TargetType="ListBoxItem"&gt; &lt;Setter Property="IsEnabled" Value="False"/&gt; &lt;/Style&gt; &lt;/ListBox.ItemContainerStyle&gt; &lt;/ListBox&gt; &lt;/UserControl&gt;... </code></pre> <p>Class TeplateSelector inside project:</p> <pre><code>public class TemplateSelector : DataTemplateSelector { public DataTemplate IncomingMessageTemplate { get; set; } public DataTemplate OutgoingMessageCaptureTemplate { get; set; } public DataTemplate EmptyTemplate { get; set; } public new DataTemplate SelectTemplate(object item, DependencyObject container) { var x = item as Message; if (x != null) { return null; } return EmptyTemplate; } } </code></pre>
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    1. USPavol Franek
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    1. COCan you please paste XMLNS declaration of `UserControl` or it's withing page?
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      1. POThe name TemplateSelector does not exist in the namespace
      1. USXyroid
    2. COyes its inside page xaml. Its linked here> http://stackoverflow.com/questions/18757615/listbox-with-custom-datatemplate
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      1. POThe name TemplateSelector does not exist in the namespace
      1. USPavol Franek
    3. COIs there any other error apart from it?
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      1. POThe name TemplateSelector does not exist in the namespace
      1. USXyroid
 

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