Windows phone 7 scrollviewer problem

Question

I am not able to scroll through the page in wp7 . eventhough i have added scrollview it still doesnt work.

<phone:PhoneApplicationPage 
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d" d:DesignWidth="480" d:DesignHeight="860"
x:Class="sastadeal.PhonePage1"
FontFamily="{StaticResource PhoneFontFamilyNormal}"
FontSize="{StaticResource PhoneFontSizeNormal}"
Foreground="{StaticResource PhoneForegroundBrush}"
Orientation="Portrait"
shell:SystemTray.IsVisible="True" Height="1768">

<!--LayoutRoot is the root grid where all page content is placed-->
<Grid x:Name="LayoutRoot" Background="Transparent" Height="1768">
    <ScrollViewer>

        <!--TitlePanel contains the name of the application and page title-->
<!--TitlePanel contains the name of the application and page title-->

    <Grid x:Name="ContentPanel" Margin="24,8,0,-8" Background="#FF61B1DE" Height="1768" >

        <Image Height="76" Margin="8,8,0,0" Source="logo.png" Stretch="Fill" VerticalAlignment="Top"/>

        <TextBlock HorizontalAlignment="Left" Margin="35,124,0,0" TextWrapping="Wrap" Text="Account Purpose" VerticalAlignment="Top" Foreground="Black"/>
        <ListBox x:Name="lb" Height="70" Margin="36,161,185,0" VerticalAlignment="Top" FontSize="24" Background="#FF00BEEF">
            <ListBoxItem x:Name="lb_vendor" Content="Launch &amp; Grab Deals"/>
            <ListBoxItem x:Name="lb_customer" Content="Grab Deals"/>
        </ListBox>
        <TextBlock HorizontalAlignment="Left" Margin="32,252,0,0" TextWrapping="Wrap" Text="Enter You Vendor Code" Foreground="Black" VerticalAlignment="Top" Name="Vendorcode_tb"/>
        <TextBox x:Name="vendorcode_text" HorizontalAlignment="Left" Margin="21,283,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="334" />
        <TextBlock HorizontalAlignment="Left" Margin="35,363,0,0" TextWrapping="Wrap" Text="e-Mail ID-" Foreground="Black" VerticalAlignment="Top"/>
        <TextBox HorizontalAlignment="Left" Margin="21,390,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="334"/>
        <TextBlock HorizontalAlignment="Left" Margin="32,466,0,0" TextWrapping="Wrap" Text="Enter Password - " Foreground="Black" VerticalAlignment="Top"/>
        <TextBox x:Name="pwd" HorizontalAlignment="Left" Margin="21,497,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="335"/>
        <TextBox x:Name="pwdr" HorizontalAlignment="Left" Margin="21,596,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="335"/>
        <TextBlock HorizontalAlignment="Left" Margin="32,569,0,0" TextWrapping="Wrap" Text="Re-enter password" Foreground="Black" VerticalAlignment="Top"/>
        <TextBlock HorizontalAlignment="Left" Margin="35,669,0,0" TextWrapping="Wrap" Text="Contact Number -" VerticalAlignment="Top" Foreground="Black"/>
        <TextBox x:Name="Cno_txt" HorizontalAlignment="Left" Margin="21,700,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="335" InputScope="Number"/>
        <TextBlock HorizontalAlignment="Left" Margin="36,776,0,0" TextWrapping="Wrap" Text="Mobile Number- " Foreground="Black" VerticalAlignment="Top"/>
        <TextBox x:Name="mno_text" HorizontalAlignment="Left" Margin="21,807,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="335"/>
        <TextBlock HorizontalAlignment="Left" Margin="30,898,0,0" TextWrapping="Wrap" Text="Address 1" Foreground="Black" VerticalAlignment="Top"/>
        <TextBox HorizontalAlignment="Left" Margin="36,950,0,0" TextWrapping="Wrap" Text="" x:Name="add1_text" Width="335" InputScope="PostalAddress" Height="72" VerticalAlignment="Top"/>
        <TextBlock HorizontalAlignment="Left" Margin="36,1026,0,0" TextWrapping="Wrap" Text="Address 2" Foreground="Black" VerticalAlignment="Top"/>
        <TextBox HorizontalAlignment="Left" Margin="36,1057,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="335"/>

    </Grid>
    </ScrollViewer>
</Grid>

The Screen automatically goes back to its previous location and the scroll is not complete. It just moves down and than back again like an elastic

Answer 1

Your Grid, that is the only child of the ScrollViewer, has a fixed height of 1768. That determines the maximum area that can be scrolled up/down by the ScrollViewer.

Your ScrollViewer stretches to fit its parent by default. That parent is another Grid that also has a fixed height of 1768.

Therefore the ScrollViewer has a fixed height of 1768 as well, so there is nothing to scroll. The amount available to scroll is the difference between the ScrollViewer height and the content height. In this case the difference is 0.

Remove the fixed height of the outer Grid. I doubt your Windows Phone has a 1768 high screen :)