How to find control in datagrid in wpf?

Question

Hi,

 

I am using datagrid in wpf, but i dont no how to find control in button click?

 

<DataGrid Name="grdregisterdata" AutoGenerateColumns="False" HorizontalAlignment="Center" Height="500"

VerticalAlignment="Top" Width="900">

<DataGrid.Columns>

<DataGridTextColumn Header="Name" Width="100" Binding="{Binding Name}" />

<DataGridTextColumn Header="Address" Width="100" Binding="{Binding Address}"/>

 

<DataGridTemplateColumn Header="Action">

<DataGridTemplateColumn.CellTemplate>

<DataTemplate>

<CheckBox Name="chkdelete" IsChecked="{Binding RID,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Margin="2" />

</DataTemplate>

</DataGridTemplateColumn.CellTemplate>

</DataGridTemplateColumn>

</DataGrid.Columns>

</DataGrid>

 

this is my datagrid code, and i want to find checkbox control in button click.

 please help me.

 

thanks in advance