how we use window user phone controll in my app - windows-phone-7

Question

i want to add a user control like stack panel in my Grid for example
- a grid which name content panel which is in MainPage.xaml
- List item
-stack panel which is in usercontrol.xaml
<UserControl x:Class="USER.WindowsPhoneControl1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Loaded="UserControl_Loaded">
<StackPanel HorizontalAlignment="Center">
<StackPanel.Resources>
<!--Create a Style for a TextBlock.-->
<Style TargetType="TextBlock" x:Key="TextBlockStyle">
<Setter Property="Foreground" Value="Navy"/>
<Setter Property="FontSize" Value="14"/>
<Setter Property="VerticalAlignment" Value="Bottom"/>
</Style>
<!--Create a Style for a TextBlock.-->
<Style TargetType="TextBox" x:Key="TextBoxStyle">
<Setter Property="Width" Value="200"/>
<Setter Property="Height" Value="30"/>
<Setter Property="Margin" Value="4"/>
<Setter Property="FontSize" Value="14"/>
<Setter Property="Background" Value="Blue"/>
</Style>
</StackPanel.Resources>
<TextBlock FontSize="18" Text="Enter your name." Name="abc" />
<StackPanel Orientation="Horizontal" Name="sta">
<TextBlock Style="{StaticResource TextBlockStyle}">
First Name:
</TextBlock>
<TextBox Name="firstName" Style="{StaticResource TextBoxStyle}"/>
</StackPanel>
<StackPanel Orientation="Horizontal">
<TextBlock Style="{StaticResource TextBlockStyle}">
Last Name:
</TextBlock>
<TextBox Name="lastName" Style="{StaticResource TextBoxStyle}"
Margin="6,4,4,4"/>
</StackPanel>
<Button Width="50" Content="Submit" Click="Button_Click"/>
</StackPanel>
</UserControl>
i want to add stack panel in grid .....
thanx in advance

Answer 1

I'm not 100% certain what you're actually asking in your question but it's perfectly possible to put a StackPanel in a Grid:
<Grid>
<StackPanel />
</Grid>