AvaloniaCatBase/AvaloniaApplicationBase/Views/ShowCatsPage.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
			 xmlns:vm="using:AvaloniaApplicationBase.ViewModels"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
			 x:DataType="vm:MainWindowViewModel"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="AvaloniaApplicationBase.Views.ShowCatsPage">
	
	<Grid RowDefinitions="*,6*">
		<StackPanel>
			<Button Grid.Row="0" Command="{Binding NewCatPage}">Добавить кота</Button>
			<StackPanel Orientation="Horizontal">
				<TextBlock>сортировка по имени</TextBlock>
				<ComboBox ItemsSource="{Binding ShowCatsVM.OrdersName}" SelectedValue="{Binding ShowCatsVM.OrderByName}"></ComboBox>
				<TextBlock>Фильтр по полу</TextBlock>
				<ComboBox ItemsSource="{Binding ShowCatsVM.GenderList}" SelectedValue="{Binding ShowCatsVM.SelectedGender}"></ComboBox>
				<TextBlock>Поиск по имени</TextBlock>
				<TextBox Text="{Binding ShowCatsVM.NameFind}"></TextBox>
			</StackPanel>
		</StackPanel>
		
		<ListBox ItemsSource="{Binding ShowCatsVM.CT}" Grid.Row="1">
			<ListBox.ItemTemplate>
				<DataTemplate>
					<Border CornerRadius="5" BorderBrush="Violet" BorderThickness="2" Padding="15">
							<StackPanel>
								<TextBlock Text="{Binding Name}"></TextBlock>
								<TextBlock Text="{Binding Date}"></TextBlock>
								<TextBlock Text="{Binding GenderNavigation.Gender}"></TextBlock>
								<TextBlock Text="{Binding TraitsCats}"></TextBlock>
							</StackPanel>
					</Border>
				</DataTemplate>
			</ListBox.ItemTemplate>
		</ListBox>
	</Grid>
</UserControl>