<DataGrid AutoGenerateColumns="False" CanUserAddRows="True" CanUserDeleteRows="True" IsReadOnly="false" x:Name="DataGridPerson">
    		<DataGrid.Columns>
    			<DataGridTextColumn  CanUserSort="False" CanUserResize="False" ClipboardContentBinding="{x:Null}" Header="Name" Width="*" Binding="{Binding Path=Name, Mode=TwoWay}"/>
			<DataGridTextColumn  CanUserSort="False" CanUserResize="False" ClipboardContentBinding="{x:Null}" Header="Age" Width="*" Binding="{Binding Path=Age, Mode=TwoWay}"/>
    		</DataGrid.Columns>
    	</DataGrid>

var items = new ObservableCollection<Person>
{
		new Person("Alexey", 25),
		new Person("Andrey", 99),
		new Person("Nikolay", 18)
};
			
DataGridPerson.ItemsSource = list;