How to select row cell value in RadGridview

[Ramesh]

  Hi ,

   I am using RadGrid View  and  GridViewToggleRowDetailsColum,
   when i click on + symbol it exapanding with rows , my requirment is when i click on + symbol i need to fetch the row values which values will be used in code behind. 

 

 
  bellow attchment can give you more clarity  what I need to complit , when select  a row which contain year column value as 2014 , that 2014 i need to use in code behind how can i complit it
   

 

 

 

<telerik:RadGridView x:Name="dgStudentViewSummary" DataContext="{StaticResource VMKEY}" GroupRenderMode="Flat" ItemsSource="{Binding ClientModel }">
<telerik:RadGridView.Columns>
<telerik:GridViewToggleRowDetailsColumn />
<telerik:GridViewDataColumn Header="Student Name" Width="150" DataMemberBinding="{Binding StudentName}" TextAlignment="Right"/>

<telerik:RadGridView.RowDetailsTemplate>
                <DataTemplate>
                    <telerik:RadTabControl x:Name="RadTabControl1"
                                                                        Width="1550"
                                                                        HorizontalAlignment="Left"
                                                                        Margin="10"
                                                                        VerticalAlignment="Center">

                        <telerik:RadTabItem Header="Student Details">

                            <telerik:RadGridView x:Name="dgMasterStudentViewSummary" DataContext="{StaticResource VMKEY}" GroupRenderMode="Flat"
                                                       ItemsSource="{Binding ClientModel }"
                                                     LoadingRowDetails="dgMasterStudentViewSummary_LoadingRowDetails_1"
                                                             VerticalAlignment="Top" MaxHeight="700"
                                                             Margin="2"
                                                               IsReadOnly="True">

                                <telerik:RadGridView.Columns>
                                    <telerik:GridViewToggleRowDetailsColumn/>
                                    <telerik:GridViewDataColumn Header="Year"  Width="150" DataMemberBinding="{Binding Year,Mode=TwoWay}" TextAlignment="Right"/>
                                    <telerik:GridViewDataColumn Header="Address" Width="150" DataMemberBinding="{Binding ClientName}" TextAlignment="Right"/>
                                </telerik:RadGridView.Columns>

                                <telerik:RadGridView.RowDetailsTemplate>
                                    <DataTemplate>
                                    <sdk:Frame x:Name="lastYear" Grid.Row="1" >
                                      some othe controls

                                     </sdk:frame>

                                    </DataTemplate>
                                </telerik:RadGridView.RowDetailsTemplate>
                            </telerik:RadGridView>
                        </telerik:RadTabItem>
</telerik:RadGridView.RowDetailsTemplate>