<StackPanel Grid.Row="0" >
            <ScrollViewer HorizontalScrollBarVisibility="Visible" VerticalScrollBarVisibility="Visible">
                <DataGrid Background="Transparent" x:Name="GridExample" AutoGenerateColumns="False"  MouseDoubleClick="GridExample_MouseDoubleClick"
                  VerticalAlignment="Stretch" Grid.Row="1" Grid.RowSpan="2" IsReadOnly="True" KeyboardNavigation.TabNavigation="Once"
                      SelectionUnit="FullRow">
                    <DataGrid.ColumnHeaderStyle>
                        <Style TargetType="{x:Type DataGridColumnHeader}">
                            <Setter Property="ContentTemplate">
                                <Setter.Value>
                                    <DataTemplate>
                                        <TextBlock TextWrapping="Wrap" Text="{Binding}" TextAlignment="Center"/>
                                    </DataTemplate>
                                </Setter.Value>
                            </Setter>
                        </Style>
                    </DataGrid.ColumnHeaderStyle>

                    <DataGrid.Columns>
                        <DataGridTextColumn Header="Номер договора" Binding="{Binding ContNum, Mode=OneWay}"/>
                        <DataGridTextColumn Header="Дата договора" Binding="{Binding ContStartDate, Mode=OneWay}"/>
                    </DataGrid.Columns>
                </DataGrid>
            </ScrollViewer>
            <Border Background="GhostWhite" BorderBrush="Gainsboro" BorderThickness="1" Grid.Row="2"/>
        </StackPanel>