CheckBox Checked and Un-Checked Events in Data Grid Header

Question

I have a grid in WPF, But i want that when we click on the header chekbox that all the checkbox in the action field must checked.  

 

 

<DataGrid AutoGenerateColumns="False" CanUserAddRows="False" Grid.RowSpan="2" Width="231" Height="130" HorizontalAlignment="Left" IsReadOnly="False" Margin="189,340,0,0" Name="dgstudent" TabIndex="7" VerticalAlignment="Top" Grid.Row="1" >

<DataGrid.Columns>

<DataGridTextColumn Binding="{Binding Name}" Header="Name" MinWidth="20" IsReadOnly="True" />

<DataGridTextColumn Binding="{Binding Address}" Header="Name" MinWidth="20" IsReadOnly="True" />

<DataGridCheckBoxColumn Binding="{Binding IsSelected}">

<DataGridCheckBoxColumn.Header>

<CheckBox Name="chkSelectAll" Content="Actions" Checked="chkSelectAll_Checked" Unchecked="chkSelectAll_Unchecked"></CheckBox>

</DataGridCheckBoxColumn.Header>

</DataGridCheckBoxColumn>

</DataGrid.Columns>

</DataGrid>

 Note:- Don't give this link because its not working...

http://www.c-sharpcorner.com/UploadFile/0f100d/checkbox-checked-and-un-checked-events-in-data-grid-header/