how to binding item with toolkit on windows phone 7

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C#

Mobile

XAML

Windows-Phone-7

hi

I want to pull data from the wcf and to display data, i uses the toolkit but not appearance. how to binding item with toolkit;


this is my xaml code :

<Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0" FlowDirection="LeftToRight" Grid.ColumnSpan="1" OpacityMask="{x:Null}" Visibility="Visible" Background="Black">
            <StackPanel>
                <StackPanel Orientation="Horizontal">
                    <TextBlock Width="auto" FontSize="22" Text="Ημερ/νία:" Height="34" FontWeight="Black" />
                    <toolkit:DatePicker x:Name="datePicker" Value="2/3/2010" Width="263" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Foreground="#FF008300"></toolkit:DatePicker>
                </StackPanel>
                <StackPanel Orientation="Horizontal">
                    <TextBlock Width="117" FontSize="22" Text="Μαθημα:" Height="34" FontWeight="Black"/>
                    <toolkit:ListPicker x:Name="list"  Width="223">
                        <DataTemplate>
                            <StackPanel Orientation="Horizontal">
                                <Rectangle Height="50" Width="50" VerticalAlignment="Center" Fill="{Binding CoTitle}" Margin="5,30,20,20"></Rectangle>
                                <TextBlock Text="{Binding CoTitle}" VerticalAlignment="Center" FontSize="40"></TextBlock>
                            </StackPanel>
                        </DataTemplate>
                    </toolkit:ListPicker>
                </StackPanel>
            </StackPanel>
        </Grid>

c#:

private void client_GetCoursesCompleted(object sender, ServiceReference1.GetCoursesCompletedEventArgs e) {
           try
           {
               this.list.Items.Clear();
               foreach (ServiceReference1.SRV_Course obj in e.Result)
               {


                   this.list.Items.Add(obj);
               }
               //this.list.ItemsSource = e.Result;

           }
           catch (Exception ex)
           {
               MessageBox.Show(ex.Message);
           }
       }