entrance-testing/EntranseTesting/Views/EditorViews/ResultMain.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="EntranseTesting.ResultMain"
             x:DataType="vm:MainWindowViewModel"
             xmlns:vm="using:EntranseTesting.ViewModels">

  <Grid Margin="15 0"
        RowDefinitions="Auto,*,Auto">
    <!-- Блок поиска -->
    <WrapPanel Orientation="Horizontal" Margin="0 5">
      <!-- // Поиск по группе//-->
      <StackPanel Orientation="Vertical" Margin="5"
                  VerticalAlignment="Center">
        <TextBlock Text="Группа"
                   VerticalAlignment="Center"/>
        <TextBox Text="{Binding EditorPages.Results.Group}"
                 TextBlock.TextWrapping="NoWrap"
                 Width="250"/>
      </StackPanel>
      <!-- // Поиск по имени //-->
      <StackPanel Orientation="Vertical" Margin="5"
                  VerticalAlignment="Center">
        <TextBlock Text="Поиск по ФИО"
                   VerticalAlignment="Center"/>
        <TextBox Text="{Binding EditorPages.Results.Fio}"
                 TextBlock.TextWrapping="NoWrap"
                 Width="250"/>
      </StackPanel>
      <!-- Работа с датой-->
      <StackPanel Orientation="Vertical"
                  HorizontalAlignment="Center"
                  VerticalAlignment="Center">
        <StackPanel Orientation="Horizontal">
          <TextBlock Text="С   " Margin="5 0"
                     VerticalAlignment="Center"/>
          <CalendarDatePicker SelectedDate="{Binding EditorPages.Results.SelectedStartDate}"
                              DisplayDateEnd="{Binding #calendarEnd.SelectedDate}"
                              DisplayDateStart="{Binding EditorPages.Results.StartDate}"
                              IsTodayHighlighted="True"/>
        </StackPanel>
        <StackPanel Orientation="Horizontal" Margin="0 5 0 0">
          <TextBlock Text="По" Margin="5 0"
                     VerticalAlignment="Center"/>
          <CalendarDatePicker Name="calendarEnd"
                              SelectedDate="{Binding EditorPages.Results.SelectedEndDate}"
                              DisplayDateStart="{Binding EditorPages.Results.StartDate}"
                              DisplayDateEnd="{Binding EditorPages.Results.EndDate}"
                              IsTodayHighlighted="True"/>
        </StackPanel>
      </StackPanel>
    </WrapPanel>

    <!-- Ответы -->
    <ScrollViewer HorizontalScrollBarVisibility="Auto"
                  VerticalScrollBarVisibility="Auto" Grid.Row="1">
      <DataGrid ItemsSource="{Binding EditorPages.Results.Answers}"             
                IsReadOnly="True"
                CanUserResizeColumns="True"
                CanUserReorderColumns="True"
                CanUserSortColumns="True">
        <DataGrid.Columns>
          <DataGridTemplateColumn>
            <DataGridTemplateColumn.CellTemplate>
              <DataTemplate>
                <Button Content="Подробнее" Margin="5 0"
                        HorizontalAlignment="Center"
                        Command="{Binding $parent[Window].((vm:MainWindowViewModel)DataContext).ClickToUserResult}"
                        CommandParameter="{Binding Id}"/>
              </DataTemplate>
            </DataGridTemplateColumn.CellTemplate>
          </DataGridTemplateColumn>
          <DataGridTextColumn Header="Группа"  Binding="{Binding UserGroup}"/>
          <DataGridTextColumn Header="ФИО" Binding="{Binding UserName}"/>
          <DataGridTemplateColumn Header="Оценка">
            <DataGridTemplateColumn.CellTemplate>
              <DataTemplate>
                <TextBlock Text="{Binding Raiting}"
                           HorizontalAlignment="Center"
                           VerticalAlignment="Center"
                           Cursor="Help"
                           ToolTip.Tip="{Binding AnswerRaiting}"/>
              </DataTemplate>
            </DataGridTemplateColumn.CellTemplate>
          </DataGridTemplateColumn>
          <DataGridTextColumn Header="Ответы" Binding="{Binding CountCorrectly}" />
          <DataGridTextColumn Header="Время" Binding="{Binding Time,StringFormat=hh\\:mm\\:ss}" />
          <DataGridTextColumn Header="Дата прохождения" Binding="{Binding Date, StringFormat={}{0:d MMMM yyyy&#x0a;HH\\:mm}}"/>
        </DataGrid.Columns>
      </DataGrid>
   </ScrollViewer>
  </Grid>
</UserControl>