ScrollViewer scrolls back on WP7 - windows-phone-7

Question

I have created a page where there's alot of input from the user. So the User should be able to scroll down to be able to press a Upload button. To scroll down on the page I have used a ScrollViewer outside a grid. I am able to scroll but the page keeps scrolling back after scrolling down.
Here is my code:
<!--ContentPanel - place additional content here-->
<Grid x:Name="ContentPanelButtom" Grid.Row="1" >
<ScrollViewer >
<Grid x:Name="ContentPanel" Background="black">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="154" />
<ColumnDefinition Width="326" />
</Grid.ColumnDefinitions>
<Image Height="109" HorizontalAlignment="Left" Name="image1" Stretch="Fill" VerticalAlignment="Top" Width="167" Margin="23,19,0,0" Source="{Binding Path=ImageSoruce, Mode=TwoWay}" Grid.ColumnSpan="2" />
<TextBox Height="71" HorizontalAlignment="Left" Margin="12,161,0,0" Name="nameInput" Text="{Binding Path=Name, Mode=TwoWay}" VerticalAlignment="Top" Width="430" Grid.ColumnSpan="2" />
<TextBlock Height="56" HorizontalAlignment="Left" Margin="23,134,0,0" Name="nameLabel" Text="Name" VerticalAlignment="Top" Width="130" FontSize="25" />
<TextBlock FontSize="25" Height="60" HorizontalAlignment="Left" Margin="23,238,0,0" Name="descriptionLabel" Text="Description" VerticalAlignment="Top" Width="130" />
<TextBox Height="72" HorizontalAlignment="Left" Margin="12,265,0,0" Name="descriptionInput" Text="{Binding Path=Description, Mode=TwoWay}" VerticalAlignment="Top" Width="430" IsEnabled="True" Grid.ColumnSpan="2" />
<TextBlock FontSize="25" Height="60" HorizontalAlignment="Left" Margin="23,343,0,0" Name="locationLabel" Text="Location" VerticalAlignment="Top" Width="130" />
<TextBlock Height="46" HorizontalAlignment="Left" Margin="24,384,0,0" Name="locationInput" Text="{Binding Path=Location, Mode=TwoWay}" VerticalAlignment="Top" Width="401" Loaded="locationInput_Loaded" Grid.ColumnSpan="2" />
<toolkit:ListPicker SelectionMode="Multiple" FullModeHeader="CATEFORIES" x:Name="ListPickerCategories" CacheMode="BitmapCache" HorizontalAlignment="Left" Margin="25,492,0,0" VerticalAlignment="Top" Width="401" Grid.ColumnSpan="2" ItemsSource="{Binding Categories}" Height="78"></toolkit:ListPicker>
<TextBlock FontSize="25" Height="60" HorizontalAlignment="Left" Margin="24,436,0,0" Name="textBlock1" Text="Categories" VerticalAlignment="Top" Width="130" />
<Button Content="Upload" Height="86" HorizontalAlignment="Left" Margin="26,604,0,0" Name="UploadButton" VerticalAlignment="Top" Width="411" Click="UploadButton_Click" Grid.ColumnSpan="2" />
</Grid>
</ScrollViewer>
</Grid>
What can be the cause of this problem and how do I solve it?

Answer 1

Use StackPanels to put elements one below the other. Remove all your margins, height, width and other absolute positioning stuff
<Grid x:Name="ContentPanelButtom" Grid.Row="1" >
<ScrollViewer>
<StackPanel>
<!-- elements here -->
</StackPanel>
</ScrollViewer>
</Grid>

Answer 2

I had the same issue. but at last i solved it, i just used the Height property to do this. Please do the following steps
First create a ScrollViewer
Indide the ScrollViewer create a container(eg: Grid/StackPanel/Border etc...) and put every controlls inside it.
Set fixed Height for ScrollViewer and the Container (Note: Height of container should be greater than ScrollViewer's Height)
See the below Code
<ScrollViewer Height="500">
<Grid Name="Container" Height="700">
<TextBox/>
<TextBox/>
<TextBox/>
</Grid>
</ScrollViewer>
Now you can scroll the container Grid Even the KeyBoard shown or even focus on a TextBox.