<Window.Resources>
        <DataTemplate x:Key="CellTemplateButtonTest" >
            <CheckBox  bev:CheckBoxClickBehaviour.CheckBoxClickCommand="{Binding Path=ButtonCommand}"               
        </DataTemplate>     
    </Window.Resources>
    <Grid> …
          <DataGrid  Grid.Row="0" x:Name="dataGrid2" 
                            ItemsSource="{Binding DV2}"
                            AutoGenerateColumns="True" 
                            AutoGeneratingColumn="g"
                             >
        </DataGrid>
            <CheckBox  Grid.Row="1"  Content="MyTestBev" IsThreeState="False" bev:CheckBoxClickBehaviour.CheckBoxClickCommand="{Binding Path=ButtonCommand}" />
    </Grid>
</Window>

        private void g(object sender, DataGridAutoGeneratingColumnEventArgs e)
        {
            if (e.PropertyName.Equals("IsCheck"))
            {
                DataGridTextColumn column = e.Column as DataGridTextColumn;
                DataGridTemplateColumn colCurr = new DataGridTemplateColumn();
                colCurr.CellTemplate = (DataTemplate)FindResource("CellTemplateButtonTest");
                   e.Column = colCurr;
                    
            }
          
        }

private DataView dV2;
        public DataView DV2
        {
            get { return dV2; }
            set
            {
                dV2 = value;
                FirePropertyChanged("DV2");
            }
        }
private void InitDaten()
        {
            DataTable dtm = new DataTable("Table");
            setDaten();
            DV2 = dtm.DefaultView();
            
        }  

 class CheckBoxClickBehaviour
    {

        public static readonly DependencyProperty CheckBoxClickCommandProperty =
        DependencyProperty.RegisterAttached("CheckBoxClickCommand",
            typeof(RelayCommand),
            typeof(CheckBoxClickBehaviour),
            new FrameworkPropertyMetadata(new PropertyChangedCallback(OnCheckBoxClick)));


        public static RelayCommand GetCheckBoxClickCommand(DependencyObject element)
        {
            return element.GetValue(CheckBoxClickCommandProperty) as RelayCommand;
        }

        public static void SetCheckBoxClickCommand(DependencyObject element, RelayCommand value)
        {
            element.SetValue(CheckBoxClickCommandProperty, value);
        }

        public static void OnCheckBoxClick(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            CheckBox chBox = (CheckBox)d;
            if (chBox != null)
            {
                RelayCommand cmd = (RelayCommand)e.NewValue;
                if (e.OldValue == null && e.NewValue != null)
                     chBox.Click += new RoutedEventHandler(CB_Click);
                if (e.OldValue != null && e.NewValue == null)
                    chBox.Click -= new RoutedEventHandler(CB_Click);
           }
        }
        public static void CB_Click(Object sender, RoutedEventArgs e)
        {
            CheckBox chBox = (CheckBox)sender;
            RelayCommand cmd = (RelayCommand)chBox.GetValue(CheckBoxClickCommandProperty);
                    cmd.Execute(chBox);

        }