Silverlight layout: Grid

        <Grid ShowGridLines="True" Background="Gray">
            <Grid.RowDefinitions>
                <RowDefinition></RowDefinition>
                <RowDefinition></RowDefinition>
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition></ColumnDefinition>
                <ColumnDefinition></ColumnDefinition>
                <ColumnDefinition></ColumnDefinition>
            </Grid.ColumnDefinitions>
            <Button Grid.Row="0" Grid.Column="0" Content="0 - 0"></Button>
            <Button Grid.Row="0" Grid.Column="1" Content="0 - 1"></Button>
            <Button Grid.Row="0" Grid.Column="2" Content="0 - 2"></Button>
            <Button Grid.Row="1" Grid.Column="0" Content="1 - 0"></Button>
            <Button Grid.Row="1" Grid.Column="1" Content="1 - 1"></Button>
            <Button Grid.Row="1" Grid.Column="2" Content="1 - 2"></Button>
        </Grid>