Wpf ListView中绑定CommBox

http://www.cnblogs.com/jaic-xiao/archive/2008/08/03/asp_net_windows_live_tools_virtual_earth_ve_control.html

Virtual Earth .

<ListView Name="lv">
                <ListView.View>
                    <GridView>
                        <GridViewColumn Header="Id" DisplayMemberBinding="{Binding Path=Id}"></GridViewColumn>
                        <GridViewColumn Header="Name" Width="100">
                            <GridViewColumn.CellTemplate>
                                <DataTemplate>
                                    <TextBox Width="100" Text="{Binding Path=Name,Mode=TwoWay}"></TextBox>
                                </DataTemplate>
                            </GridViewColumn.CellTemplate>
                        </GridViewColumn>
                        <GridViewColumn Header="Telephone" DisplayMemberBinding="{Binding Path=Telephone}"></GridViewColumn>
                        <GridViewColumn Header="Dept" Width="100" >
                            <GridViewColumn.CellTemplate>
                                <DataTemplate>
                                    <ComboBox Width="80" Name="cb"   ItemsSource="{Binding Source={ StaticResource DeptSource },Mode=OneWay}" DisplayMemberPath="DeptName" SelectedValuePath="DeptId" SelectedValue="{Binding Path=PDeptId,Mode=TwoWay}"></ComboBox>
                                </DataTemplate>
                            </GridViewColumn.CellTemplate>
                        </GridViewColumn>
                        <GridViewColumn Header="DpetName">
                            <GridViewColumn.CellTemplate>
                                <DataTemplate>
                                    <TextBlock Text="{Binding Path=DeptName}"  DataContext="{Binding Source={ StaticResource DeptSource },Mode=OneWay}"></TextBlock>
                                </DataTemplate>
                            </GridViewColumn.CellTemplate>
                        </GridViewColumn>
                    </GridView>
                </ListView.View>
            </ListView>