DemoExamUp/ExamTry/Pages/AgentPage.xaml

<Page x:Class="ExamTry.Pages.AgentPage"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
      xmlns:local="clr-namespace:ExamTry.Pages"
      mc:Ignorable="d" 
      d:DesignHeight="450" d:DesignWidth="800"
      Title="AgentPage">

    <Page.Resources>
        <Style x:Key="styleSale" TargetType="StackPanel">
            <Style.Triggers>
                <DataTrigger Binding="{Binding greenSale}" Value="true">
                    <Setter Property="Background" Value="#FF5CF95C"/>
                </DataTrigger>
            </Style.Triggers>
        </Style>
        <DataTemplate x:Key="AgentData">
            <StackPanel Style="{StaticResource styleSale}" HorizontalAlignment="Center" Orientation="Horizontal">
                <StackPanel Margin="10">
                    <Image Width="80" Height="80" Source="{Binding GetImage}"/>
                </StackPanel>
                <StackPanel Width="800" Orientation="Vertical">
                    <StackPanel Orientation="Horizontal">
                        <TextBlock Text="{Binding AgentType.Title}"/>
                        <TextBlock Text=" | "/>
                        <TextBlock Text="{ Binding Title}"/>
                    </StackPanel>
                    <StackPanel Orientation="Horizontal">
                        <TextBlock Text="{Binding GetProductionYear}"/>
                        <TextBlock Text=" продажи за год"/>
                    </StackPanel>
                    <TextBlock Text="{Binding Phone}"/>
                    <StackPanel Orientation="Horizontal">
                        <TextBlock Text="Приоритетность: "/>
                        <TextBlock Text="{Binding Priority}"/>
                    </StackPanel>
                </StackPanel>
                <StackPanel HorizontalAlignment="Right" VerticalAlignment="Top">
                    <TextBlock Text="{Binding GetProductionSale}"/> 
                </StackPanel>
            </StackPanel>
        </DataTemplate>
    </Page.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="50"/>
            <RowDefinition Height="206*"/>
        </Grid.RowDefinitions>

        <StackPanel Grid.Row="0" Orientation="Vertical" >
            <StackPanel HorizontalAlignment="Center" Orientation="Horizontal">
                <TextBox Text="{Binding SetTextForSort}" Margin="5" Width="100"/>
                <ComboBox SelectedIndex="{Binding GetIndexOrderBy}" Margin="5" Width="100">
                    <ComboBoxItem >
                        По возрастанию
                    </ComboBoxItem>
                    <ComboBoxItem>
                        По убыванию
                    </ComboBoxItem>
                </ComboBox>
                <ComboBox SelectedIndex="{Binding GetIndexSort}" Margin="5" Width="100">
                    <ComboBoxItem>
                        Наименованию
                    </ComboBoxItem>
                    <ComboBoxItem>
                        Размер скидки
                    </ComboBoxItem>
                    <ComboBoxItem>
                        Приоритет агента
                    </ComboBoxItem>
                </ComboBox>
                <ComboBox SelectedIndex="{Binding GetTypeIndex}" ItemsSource="{Binding GetTypeAgent}" Margin="5" Width="100"/>
                <Button Content="Добавить агента"
                        Name="AddAgent"
                        Click="OpenWindowAddAgent"/>
                <Button
                    Click="ChagePrior"
                    x:Name="prioritetyBtn" 
                    Visibility="Collapsed"
                    Content="Изменить приоритет на ...">

                </Button>
            </StackPanel>
            </StackPanel>
        <ListBox
            x:Name="AgentList"
            Grid.Row="1" 
            ItemsSource="{Binding GetAgents}" 
            ItemTemplate="{StaticResource AgentData}"
            HorizontalAlignment="Center" 
            SelectionMode="Extended"
            SelectionChanged="AgentList_SelectionChanged"
            MouseDoubleClick="EditAgent"
            SelectedItem="{Binding GetAgent}"/>
    </Grid>
</Page>