Cannot specify FontWeight

[Steve]

If I specify a FontWeight="ExtraBold", the font is displayed as "Normal" in both RadGrid and RadCalendar, yet in a simple TextBox, the weight is applied as I expect.  FontFamily and FontStyle work fine...but not FontWeight.  I'm using Silverlight controls version 422, VS2010, and Silverlight 4.

<UserControl
    xmlns:input="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Input"
    xmlns:grid="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.GridView"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    d:DesignHeight="300" d:DesignWidth="400" x:Class="FontWeight.MainPage" >

    <Grid x:Name="LayoutRoot" Background="White">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" ></RowDefinition>
            <RowDefinition Height="Auto" ></RowDefinition>
            <RowDefinition Height="Auto" ></RowDefinition>
            <RowDefinition Height="Auto" ></RowDefinition>
            <RowDefinition Height="Auto" ></RowDefinition>
        </Grid.RowDefinitions>
        <grid:RadGridView Grid.Row="0" x:Name="dgMain" FontFamily="Verdana" FontWeight="ExtraBold" FontStyle="Italic" />
        <input:RadCalendar Grid.Row="1" x:Name="rCalendar" FontFamily="Verdana" FontWeight="Normal" FontStyle="Normal" />
        <TextBox Grid.Row="2" FontFamily="Verdana" FontWeight="ExtraBold" FontStyle="Italic" Text="Hello World" />
        <TextBox Grid.Row="3" FontFamily="Verdana" FontWeight="Normal" FontStyle="Normal" Text="Hello World" />
    </Grid>
</UserControl>

Here's my code-behind:

        public MainPage()
        {
            InitializeComponent();
            LoadGrid();
        }

        private void LoadGrid()
        {
            List<Class1> rows = new List<Class1>();
            Class1 row = new Class1();
            row.description = "Hello World";
            rows.Add(row);
            dgMain.ItemsSource = rows;
        }

And associated class:

namespace FontWeight
{
    public class Class1
    {
        public string description { get; set; }
    }
}

See attached file for the output.  Why doesn't FontWeight work with the Rad controls?

[Kalin Milanov]

Hello Steve Dentel,

To apply FontWeight to the cells you will need to define style for the grid's cells. 
Attached I am sending you a sample which does just that. I hope you will find it useful.

All the best,
Kalin Milanov
the Telerik team

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[Steve]

Thank you Kalin...this works perfectly.