<ListView SelectionMode="Extended" HorizontalAlignment="Left" VerticalAlignment="Top" SelectionChanged="ListBox_SelectionChanged" x:Name="ListBooks"  Height="143" Width="354">
                            <ListView.View>
                                <GridView>
                                    <GridView.Columns>
                                        <GridViewColumn Header="Autor" DisplayMemberBinding="{Binding Path=Author}"></GridViewColumn>
                                        <GridViewColumn Header="Tytuł" DisplayMemberBinding="{Binding Path=Title}"></GridViewColumn>
                                        <GridViewColumn Header="Gatunek" DisplayMemberBinding="{Binding Path=Genre}"></GridViewColumn>
                                        <GridViewColumn Header="Rok wydania" DisplayMemberBinding="{Binding Path=Publication_date}"></GridViewColumn>
                                        <GridViewColumn Header="Cena" DisplayMemberBinding="{Binding Path=Price}"></GridViewColumn>
                                    </GridView.Columns>
                                </GridView>
                            </ListView.View>
                        </ListView>