<Window
	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"
	x:Class="WpfApplication152.MainWindow"
	x:Name="Window"
	Title="MainWindow"
	Width="640" Height="480">

	<Grid x:Name="LayoutRoot" DataContext="{Binding Source={StaticResource SampleDataSource}}">
		<telerik:RadGridView AutoGenerateColumns="False" ItemsSource="{Binding Collection}">
			<telerik:RadGridView.Columns>
				<telerik:GridViewDataColumn Header="P1" Width="100" DataMemberBinding="{Binding Property2}"/>
				<telerik:GridViewDataColumn Header="P1" Width="0.5*" DataMemberBinding="{Binding Property1}"/>
						<telerik:GridViewDataColumn Header="P1" Width="*" DataMemberBinding="{Binding Property3}"/>
				</telerik:RadGridView.Columns>
			</telerik:RadGridView>
	</Grid>
</Window>