GeneratorLogin/Views/DataOutput.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="LoginGenerator.DataOutput"
             xmlns:vm="using:LoginGenerator.ViewModels"
             x:DataType="vm:MainWindowViewModel"
             >

  <Grid Background="#ECE9FF">
    <Grid.RowDefinitions>
      <RowDefinition Height="50"/>
      <RowDefinition Height="*"/>
    </Grid.RowDefinitions>

    <StackPanel Grid.Row="0" VerticalAlignment="Center" HorizontalAlignment="Center" Orientation="Horizontal">
      <TextBox Height="10" Width="236" Watermark="Поиск по ФИО" Text="{Binding DataOutputVM.FindFio}"/>
      <TextBox Height="10" Width="236" Margin="10 0 0 0" Watermark="Поиск по логину" Text="{Binding DataOutputVM.FindLogin}"/>
      <TextBox Height="10" Width="236" Margin="10 0 0 0" Watermark="Поиск по паролю" Text="{Binding DataOutputVM.FindPass}"/>
      <ComboBox SelectedIndex="0" Width="236" Margin="10 0 0 0" ItemsSource="{Binding DataOutputVM.Sort}" SelectedItem="{Binding DataOutputVM.SelectedSort}"/>
      <Button Content="↻" Command="{Binding DataOutputVM.FillingUsersList}"/>
      <Button Content="На страницу генерации" Command="{Binding ViewGeneratePage}"/>
    </StackPanel>
    
    <ListBox Background="#F9F8FF" Grid.Row="1" ItemsSource="{Binding DataOutputVM.Userss}">
      <ListBox.ItemsPanel>
        <ItemsPanelTemplate>
          <WrapPanel HorizontalAlignment="Center"/>
        </ItemsPanelTemplate>
      </ListBox.ItemsPanel>
      <ListBox.ItemTemplate>
        <DataTemplate>
          <Border HorizontalAlignment="Stretch" BorderBrush="Black" BorderThickness="1" CornerRadius="10" Padding="15">
            <StackPanel HorizontalAlignment="Stretch" Width="485" Height="45">
              <StackPanel Orientation="Horizontal">
                <TextBlock Text="{Binding Surname}"/>
                <TextBlock Margin="5 0 0 0" Text="{Binding Name}"/>
                <TextBlock Margin="5 0 0 0" Text="{Binding Patronymic}"/>
                <TextBlock Margin="45 0 0 0" Text="{Binding DateReg, StringFormat={}dd.MM.yyyy}}"/>
              </StackPanel>
              <StackPanel Margin="0 5 0 0" Orientation="Horizontal">
                <TextBlock Text="{Binding Login}"/>
                <TextBlock Margin="15 0 0 0" Text="{Binding Password}"/>
              </StackPanel>
            </StackPanel>
          </Border>
        </DataTemplate>
      </ListBox.ItemTemplate>
    </ListBox>
  </Grid>
</UserControl>