how to access the textblock from the list view

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C#

i am using a list view control and in this control i have used a text block named as "kit"
i have bind this kit with the answer of the question from the xml table as following code is given

<ListBox Name="ti" Height="Auto" Width="Auto" Margin="512,0,0,0" >
           <ListBox.ItemTemplate>
               <DataTemplate>
                   <StackPanel Orientation="Vertical" Background="Purple">
                       <TextBlock Text="{Binding Qus}" Width="800" Height="auto"  FontSize="20" Foreground="White"/>
                       <RadioButton Content="{Binding Op1}" Name="rbA" Width="670" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize="20" Checked="RadioButton_Checked_1"  />
                       <RadioButton Content="{Binding Op2}" Width="670" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize=" 20" Checked="RadioButton_Checked_2"/>
                       <RadioButton Content="{Binding Op3}" Width="670" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize="20" Checked="RadioButton_Checked_3" />
                       <RadioButton Content="{Binding Op4}" Width="670" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize="20" Checked="RadioButton_Checked_4" />
                       <TextBlock Name="kit" Text="{Binding Ans}" Foreground="Red" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize=" 20"/>

                   </StackPanel>

               </DataTemplate>

           </ListBox.ItemTemplate>

now i want to ask that i want to access the value of the kit in the c# coding for the score purpose so suggest me how i can access the value of kit in the c#