WPF

_roleViewModel = new Role_ViewModel(eTypeOperation);
            var createCommand = new UICommand
            {
                Id = MessageBoxResult.OK,
                Caption = Properties.Resources.CstOk,
                IsCancel = false,
                IsDefault = true,
                Command = new DelegateCommand(CreateRole, CanCreateRole)
            };
            var cancelCommand = new UICommand
            {
                Id = MessageBoxResult.Cancel,
                Caption = Properties.Resources.CstCancel,
                IsCancel = true,
                IsDefault = false,
            };
            RoleService.ShowDialog(new List<UICommand> { createCommand, cancelCommand }, Properties.Resources.CstNewRole, _roleViewModel);

private IDialogService RoleService
        {
            get { return GetService<IDialogService>("RoleServiceDialog"); }
        }

<DataGridTemplateColumn Width="SizeToHeader" Header="FAI">
   <DataGridTemplateColumn.CellTemplate>
      <DataTemplate>
        <CheckBox IsChecked="{Binding Path=fai}" Checked="FAI_CheckBox_Checked" Unchecked="FAI_CheckBox_Unchecked" />
      </DataTemplate>
   </DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>

<DataGridCheckBoxColumn Binding="{Binding Path=user_fai}" Width="Auto" Header="User FAI" Visibility="Visible"  IsReadOnly="True"/>

<TextBlock>    

<pre>
<Hyperlink Command="{Binding LinkClickCommand}"
            Click="Hyperlink_Click">
    <TextBlock Text="{Binding LinkText}"/>
</Hyperlink>

<telerik:GridViewComboBoxColumn x:Name="Client"
                                  ItemsSource="{Binding Clients}"
                                  DataMemberBinding="{Binding Client}"
                                  DisplayMemberPath="Name"
                                  SelectedValueMemberPath=""
                                  Header="Client"
                                  Width="125" />

public ObservableCollection<Client> Clients { get; private set;}

public class Claim : Entity<int>
    {
        public virtual Client Client { get; set; }
    }

public ClaimMap()
        {
            Table("Claim");
            LazyLoad();
            Id(x => x.Id).GeneratedBy.Identity().Column("id");
            References(x => x.Client).Column("clientId").Not.Nullable();
        }
    }
}

<Window.Resources>
    <wpfconv:EnumDescriptionConverter x:Key="EnumDescriptionConverter" />
    <ObjectDataProvider MethodName="GetValues" 
                        ObjectType="{x:Type sys:Enum}"
                        x:Key="accessEnums">
        <ObjectDataProvider.MethodParameters>
            <x:Type TypeName="enums:AccessLevel" />
        </ObjectDataProvider.MethodParameters>
    </ObjectDataProvider>
</Window.Resources>

<DataGridComboBoxColumn Header="Access"
                        ItemsSource="{Binding Source={StaticResource accessEnums}, Mode=OneWay}"
                        SelectedItemBinding="{Binding Access}"
                        Width="100">
</DataGridComboBoxColumn>

public enum AccessLevel
{
    [Description("No Acccess")]
    NoAccess = 0,

    [Description("Full Acccess")]
    HasAccess = 1
}

public class DataGridEx :  DataGrid
{
    public DataGridEx()
    {
        this.SelectionChanged += CustomDataGrid_SelectionChanged;
    }

    public IList SelectedItemsList
    {
        get { return (IList)GetValue(SelectedItemsListProperty); }
        set { SetValue(SelectedItemsListProperty, value); }
    }

    public static readonly DependencyProperty SelectedItemsListProperty =
            DependencyProperty.Register("SelectedItemsList", typeof(IList), typeof(DataGridEx), new PropertyMetadata(null));

    private void CustomDataGrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
    {
        this.SelectedItemsList = this.SelectedItems;
    }
}

<ctrls:DataGridEx x:Name="_ScenariosTable"
                    Grid.Column="1" 
                    Grid.Row="6" 
                    SelectionMode="Extended"
                    ItemsSource="{Binding Scenarios}" 
                    SelectedItemsList="{Binding SelectedScenarios, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">

private List<Scenario> _SelectedScenarios;
public List<Scenario> SelectedScenarios
{
    get { return _SelectedScenarios; }
    set
    {
        if (_SelectedScenarios != value)         // < ==== VALUE IS NULL
        {
            _SelectedScenarios = value;
            RaisePropertyChanged("SelectedScenarios");
        }
    }
}

<ComboBox Grid.Row="1"
            Grid.Column="0"
            ItemsSource="{Binding Categories}"
            SelectedItem="{Binding SelectedRight.Category}"
            IsEnabled="{Binding RightsFieldsEnabled}"
            Width="250"
            Margin="2"
            Style="{StaticResource comboBoxStyle}">
    <ComboBox.ItemTemplate>
        <DataTemplate>
            <TextBlock Text="{Binding Category}"
                        FontSize="14"/>
        </DataTemplate>
    </ComboBox.ItemTemplate>
</ComboBox>