<Window.Resources>
        <ObjectDataProvider x:Key="odpSlaves" ObjectType="localOil:objSlaves" MethodName="GetSlavesForListView" />
        <DataTemplate x:Key="ListTemplate" DataType="{x:Type localOil:objSlaves}" />
    </Window.Resources>
...

<Grid DataContext="{Binding Source={StaticResource odpSlaves}}">
        <ListView ItemsSource="{Binding}" ItemTemplate="{StaticResource ListTemplate}" HorizontalAlignment="Stretch" Margin="10,10,10,10" Name="listView1" VerticalAlignment="Stretch" >
            <ListView.View>
                <GridView>
                    <GridViewColumn Header="№" Width="40" DisplayMemberBinding="{Binding Number}" />
                    <GridViewColumn Header="Фамилия" Width="200" DisplayMemberBinding="{Binding Family}" />
                    <GridViewColumn Header="Имя" Width="100" DisplayMemberBinding="{Binding Name}" />
                    <GridViewColumn Header="Должность" Width="100" DisplayMemberBinding="{Binding Position}" />
                    <GridViewColumn Header="Дата рождения" DisplayMemberBinding="{Binding BirthDate, StringFormat=dd/MM/yyyy}" />
                    <GridViewColumn Header="Пол" DisplayMemberBinding="{Binding Sex}"  />
                </GridView>
            </ListView.View>
        </ListView>

 string SlaveID = (listView1.SelectedItem as Oil.Dicts.objSlaves).ID;
 //в данном случае Oil.Dicts.objSlaves это тип объектов который привязан к ListView