<Window x:Class="FilteringComboColumnExample_WPF.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"
	xmlns:local="clr-namespace:FilteringComboColumnExample_WPF"
    Title="Window1" Height="300" Width="300">
    <Grid>
		<telerik:RadGridView x:Name="RadGridView1" AutoGenerateColumns="False" >
			<telerik:RadGridView.Columns>
				<telerik:GridViewComboBoxColumn DataMemberBinding="{Binding CountryID}" Header="Country" DisplayMemberPath="Name" SelectedValueMemberPath="ID"  >
					<telerik:GridViewComboBoxColumn.FilteringControl>
						<local:ComboColumnFilteringControl />
					</telerik:GridViewComboBoxColumn.FilteringControl>
				</telerik:GridViewComboBoxColumn>
				<telerik:GridViewDataColumn DataMemberBinding="{Binding CityName}" Header="City" />
			</telerik:RadGridView.Columns>
		</telerik:RadGridView>
	</Grid>
</Window>
