Grid class

public class Grid : Panel

<Grid ...>
  oneOrMoreUIElements
</Grid>
-or-
<Grid .../>

<Grid x:Name="LayoutRoot" Background="#555555" Width="400" Height="300">
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="250" />
        <ColumnDefinition Width="150" />
    </Grid.ColumnDefinitions>
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto" />
        <RowDefinition Height="2*" />
        <RowDefinition Height="*"/>
    </Grid.RowDefinitions>
    <TextBlock Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2" 
               Margin="10" FontWeight="Bold" 
               Text="Contoso Corporation" HorizontalAlignment="Center" VerticalAlignment="Center" />
    <Grid x:Name="FormLayoutGrid" Grid.Row="1" Grid.Column="0">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="*" />
            <RowDefinition Height="*" />
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>
        <TextBlock Grid.Row="0" Grid.Column="0" Text="First Name" Margin="10" 
                   HorizontalAlignment="Left" VerticalAlignment="Center" />
        <TextBox Grid.Row="0" Grid.Column="1" Margin="10" />
        <TextBlock Grid.Row="1" Grid.Column="0" Text="Last Name" Margin="10" 
                   HorizontalAlignment="Left" VerticalAlignment="Center" />
        <TextBox Grid.Row="1" Grid.Column="1" Margin="10" />
        <TextBlock Grid.Row="2" Grid.Column="0" Text="Address" Margin="10" 
                   HorizontalAlignment="Left" VerticalAlignment="Center" />
        <TextBox Grid.Row="2" Grid.Column="1" Margin="10" />
      
    </Grid>
 </Grid>

    public Page()
    {
        InitializeComponent();
        LayoutDesign();
    }

    private void LayoutDesign()
    {
        //Create Stackpanel for ListBox Control and its description
        StackPanel DeptStackPanel = new StackPanel();
        DeptStackPanel.Margin = new Thickness(10);

        LayoutRoot.Children.Add(DeptStackPanel);
        Grid.SetColumn(DeptStackPanel, 1);
        Grid.SetRow(DeptStackPanel, 1);

        TextBlock DeptListHeading = new TextBlock();
        DeptListHeading.Text = "Department";

        ListBox DeptList = new ListBox();
        DeptList.Items.Add("Finance");
        DeptList.Items.Add("Marketing");
        DeptList.Items.Add("Human Resources");
        DeptList.Items.Add("Payroll");

        DeptStackPanel.Children.Add(DeptListHeading);
        DeptStackPanel.Children.Add(DeptList);

        //Create StackPanel for buttons
        StackPanel ButtonsStackPanel = new StackPanel();
        ButtonsStackPanel.Margin = new Thickness(10);
        ButtonsStackPanel.Orientation = Orientation.Horizontal;
        ButtonsStackPanel.HorizontalAlignment = HorizontalAlignment.Center;

        LayoutRoot.Children.Add(ButtonsStackPanel);
        Grid.SetColumn(ButtonsStackPanel, 0);
        Grid.SetRow(ButtonsStackPanel, 2);
        Grid.SetColumnSpan(ButtonsStackPanel, 2);

        Button BackButton = new Button();
        BackButton.Content = "Back";
        BackButton.Width = 100;

        Button CancelButton = new Button();
        CancelButton.Content = "Cancel";
        CancelButton.Width = 100;

        Button NextButton = new Button();
        NextButton.Content = "Next";
        NextButton.Width = 100;

        ButtonsStackPanel.Children.Add(BackButton);
        ButtonsStackPanel.Children.Add(CancelButton);
        ButtonsStackPanel.Children.Add(NextButton);

        BackButton.Margin = new Thickness(10);
        CancelButton.Margin = new Thickness(10);
        NextButton.Margin = new Thickness(10);
    }
}