LicenceManager/UpdateProductPage/UpdateProductPageV.xaml

<Grid x:Class="UpdateProductPageV"
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
   xmlns:EgtWPFLib5="clr-namespace:EgtWPFLib5;assembly=EgtWPFLib5"
   DataContext="{StaticResource UpdateProductPageVM}">

    <Grid.RowDefinitions>
        <RowDefinition Height="Auto"/>
        <RowDefinition Height="1*"/>
    </Grid.RowDefinitions>

    <Border BorderBrush="Black"
           BorderThickness="1"
           Height="75"
           Grid.Row="0">
        <TextBlock Height="50"
                 Text="{Binding UpdateProductMsg}"
                 FontSize="30"
                 TextAlignment="Center"/>
    </Border>

    <Grid Grid.Row="1">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1*"/>
            <ColumnDefinition Width="1*"/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
        </Grid.RowDefinitions>

        <TextBlock Text="{Binding ProductNameMsg}"
                 Grid.Column="0"
                 Grid.Row="0"
                 Style="{StaticResource ParametersTextBlock}"/>

        <EgtWPFLib5:EgtTextBox Text="{Binding NewProductName}"
                             Grid.Column="1"
                             Grid.Row="0"
                             Style="{StaticResource ParameterTextBox}"/>

        <TextBlock Text="{Binding ProductNumberMsg}"
                 Grid.Column="0"
                 Grid.Row="1"
                 Style="{StaticResource ParametersTextBlock}"/>

        <EgtWPFLib5:EgtTextBox Text="{Binding NewProductNumber}"
                             Grid.Column="1"
                             Grid.Row="1"
                             Style="{StaticResource ParameterTextBox}"/>

        <GroupBox Header="{Binding Option1Msg}"
                Grid.Row="4" Grid.ColumnSpan="2">

            <ItemsControl ItemsSource="{Binding NewOption1}">
                <ItemsControl.ItemTemplate>
                    <DataTemplate>
                        <CheckBox IsChecked="{Binding IsChecked}"
                            Content="{Binding Msg}"
                            IsEnabled="{Binding IsEnabled}"/>
                    </DataTemplate>
                </ItemsControl.ItemTemplate>
                <ItemsControl.ItemsPanel>
                    <ItemsPanelTemplate>
                        <UniformGrid Columns="4"/>
                    </ItemsPanelTemplate>
                </ItemsControl.ItemsPanel>
            </ItemsControl>

        </GroupBox>

        <GroupBox Header="{Binding Option2Msg}"
                Grid.Row="5" Grid.ColumnSpan="2">

            <ItemsControl ItemsSource="{Binding NewOption2}">
                <ItemsControl.ItemTemplate>
                    <DataTemplate>
                        <CheckBox IsChecked="{Binding IsChecked}"
                            Content="{Binding Msg}"
                            IsEnabled="{Binding IsEnabled}"/>
                    </DataTemplate>
                </ItemsControl.ItemTemplate>
                <ItemsControl.ItemsPanel>
                    <ItemsPanelTemplate>
                        <UniformGrid Columns="4"/>
                    </ItemsPanelTemplate>
                </ItemsControl.ItemsPanel>
            </ItemsControl>

        </GroupBox>
        
        <UniformGrid Grid.Row="6" Grid.ColumnSpan="2" Columns="2">
            <Button Content="{Binding UpdateMsg}"
                    Command="{Binding UpdateProduct_Command}"
                    Grid.Column="1"
                    Grid.Row="5"
                    Style="{StaticResource Page_Button}"/>
            <Button Content="{Binding CancelMsg}"
                    Command="{Binding Cancel_Command}"
                    Grid.Column="1"
                    Grid.Row="6"
                    Style="{StaticResource Page_Button}"/>
        </UniformGrid>

    </Grid>

</Grid>