在下面的XAML中我有两个问题，第一个是尽管它仍然显示主滚动查看器上禁用水平滚动条，但第二个是我在文本框（注释）上设置了一个样式以显示垂直滚动条但是它不显示
<UserControl x:Class="VTUK.Gemini.Contacts.ContactsDetails"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"
xmlns:views="clr-namespace:VTUK.Gemini.Contacts"
mc:Ignorable="d"
d:DesignHeight="1200" d:DesignWidth="1200">
<UserControl.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="pack://application:,,,/VTUK.Gemini.Infrastructure;component/Styles/Brushes.xaml"/>
<ResourceDictionary Source="pack://application:,,,/VTUK.Gemini.Infrastructure;component/Styles/CommonStyles.xaml"/>
</ResourceDictionary.MergedDictionaries>
<DataTemplate x:Key="ContactsReadOnlyTemplate">
<Grid Name="Grid">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<StackPanel Name="HeaderPanel" Orientation="Horizontal">
<Border BorderThickness="2" BorderBrush="{StaticResource Windows8BlueBrush}" Margin="5" >
<!--Phone3 is here as a temporary value-->
<telerik:RadTransitionControl Margin="5" Content="{Binding Phone3, FallbackValue='pack://application:,,,/VTUK.Gemini.Infrastructure;component/Images/businessperson2.png', Converter={StaticResource ImageSourceToBitmapConverter}}" Duration="0:0:1" IsTabStop="False">
<telerik:RadTransitionControl.Transition>
<!--<telerik:MotionBlurredZoomTransition/>-->
<telerik:FlipWarpTransition/>
</telerik:RadTransitionControl.Transition>
<telerik:RadTransitionControl.ContentTemplate>
<DataTemplate>
<Image Source="{Binding .}" Width="64" Height="64" />
</DataTemplate>
</telerik:RadTransitionControl.ContentTemplate>
</telerik:RadTransitionControl>
</Border>
</StackPanel>
<ScrollViewer x:Name="ScrollViewer" Width="{Binding ElementName=LayoutRoot, Path=ActualWidth}" Grid.Row="1" HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto" BorderThickness="0">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="10" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" MinHeight="45" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="45" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
<RowDefinition Height="Auto" MinHeight="28" />
</Grid.RowDefinitions>
<TextBlock Text="DISPLAY NAME" Style="{StaticResource Heading14}" />
<TextBlock Text="TITLE" Style="{StaticResource Heading14}" Grid.Row="1" Grid.Column="0" />
<TextBlock Text="FORENAME" Style="{StaticResource Heading14}" Grid.Row="2" Grid.Column="0"/>
<TextBlock Text="SURNAME" Style="{StaticResource Heading14}" Grid.Row="3" Grid.Column="0"/>
<TextBlock Text="HOUSE NAME / NO." Style="{StaticResource Heading14}" Grid.Row="4" Grid.Column="0"/>
<TextBlock Text="ADDRESS1" Style="{StaticResource Heading14}" Grid.Row="5" Grid.Column="0"/>
<TextBlock Text="ADDRESS2" Style="{StaticResource Heading14}" Grid.Row="6" Grid.Column="0"/>
<TextBlock Text="TOWN" Style="{StaticResource Heading14}" Grid.Row="7" Grid.Column="0"/>
<TextBlock Text="COUNTY" Style="{StaticResource Heading14}" Grid.Row="8" Grid.Column="0"/>
<TextBlock Text="COUNTRY" Style="{StaticResource Heading14}" Grid.Row="9" Grid.Column="0"/>
<TextBlock Text="POSTCODE" Style="{StaticResource Heading14}" Grid.Row="10" Grid.Column="0"/>
<TextBlock Text="EMAIL" Style="{StaticResource Heading14}" Grid.Row="11" Grid.Column="0"/>
<TextBlock Text="PHONE !" Style="{StaticResource Heading14}" Grid.Row="12" Grid.Column="0"/>
<TextBlock Text="PHONE 2" Style="{StaticResource Heading14}" Grid.Row="13" Grid.Column="0"/>
<TextBlock Text="PHONE 3" Style="{StaticResource Heading14}" Grid.Row="14" Grid.Column="0"/>
<TextBlock Text="URL" Style="{StaticResource Heading14}" Grid.Row="15" Grid.Column="0"/>
<TextBlock Text="NOTES" Style="{StaticResource Heading14}" Grid.Row="16" Grid.Column="0" VerticalAlignment="Top"/>
<TextBlock Text="{Binding DisplayName}" TextWrapping="Wrap" FontSize="22" FontWeight="DemiBold" Grid.Row="0" Grid.Column="2" VerticalAlignment="Center" />
<TextBlock Text="{Binding Title}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="1" />
<TextBlock Text="{Binding Forename}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="2" />
<TextBlock Text="{Binding Surname}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="3" />
<TextBlock Text="{Binding HouseNameNo}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="4" />
<TextBlock Text="{Binding Address1}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="5" />
<TextBlock Text="{Binding Address2}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="6" />
<TextBlock Text="{Binding Town, Converter={StaticResource StringToUpperCaseConverter}}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="7" />
<TextBlock Text="{Binding County, Converter={StaticResource StringToUpperCaseConverter}}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="8" />
<TextBlock Text="{Binding Country, Converter={StaticResource StringToUpperCaseConverter}}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="9" />
<TextBlock Text="{Binding Postcode, Converter={StaticResource StringToUpperCaseConverter}}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="10" />
<TextBlock Text="{Binding Email}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="11" />
<TextBlock Text="{Binding Phone1}" TextWrapping="Wrap" FontSize="22" FontWeight="DemiBold" Grid.Column="2" Grid.Row="12" VerticalAlignment="Center" />
<TextBlock Text="{Binding Phone2}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="13" />
<TextBlock Text="{Binding Phone3}" Style="{StaticResource Text14}" TextWrapping="Wrap" Grid.Column="2" Grid.Row="14" />
<TextBlock x:Name="URLContainer" Text="http://www.google.com" Visibility="Collapsed" />
<telerik:RadButton x:Name="linkButton"
VerticalAlignment="Center"
Margin="0"
Content="{Binding Text, ElementName=URLContainer}"
Grid.Column="2" Grid.Row="15"
Style="{StaticResource HyperlinkStyleButton14}"
Command="{Binding NavigateToUrlCommand}" CommandParameter="{Binding Text, ElementName=URLContainer}"
DataContext="{Binding DataContext, RelativeSource={RelativeSource AncestorType=views:ContactsContent, AncestorLevel=1}}" />
<TextBox Grid.Column="2" Grid.Row="16"
Text="{Binding ContactNotes}"
Style="{DynamicResource CustomTextBoxStyle}" />
<!--Visibility="{Binding ContactNotes, Converter={StaticResource StringToVisibilityConverter}}" />-->
</Grid>
</ScrollViewer>
</Grid>
</DataTemplate>
</ResourceDictionary>
</UserControl.Resources>
<Grid x:Name="LayoutRoot">
<telerik:RadDataForm x:Name="DataForm"
ItemsSource="{Binding Contacts}"
CommandButtonsVisibility="Cancel,Commit"
AutoGenerateFields="False"
ValidationSummaryVisibility="Visible"
LabelPosition="Above"
ReadOnlyTemplate="{StaticResource ContactsReadOnlyTemplate}"
VerticalContentAlignment="Stretch" HorizontalContentAlignment="Stretch" />
<StackPanel HorizontalAlignment="Right" VerticalAlignment="Top" Orientation="Horizontal">
<telerik:RadButton RenderTransformOrigin="0.5,0.5" Margin="0,0,40,0" Tag="ADD"
Command="telerik:RadDataFormCommands.AddNew" CommandTarget="{Binding ElementName=DataForm}">
<Path Stretch="None" Data="M6,0 L10,0 L10,6 L16,6 L16,10 L10,10 L10,16 L6,16 L6,10 L0,10 L0,6 L6,6 z"
SnapsToDevicePixels="True" />
</telerik:RadButton>
<telerik:RadButton Command="telerik:RadDataFormCommands.BeginEdit" CommandTarget="{Binding ElementName=DataForm}" Tag="EDIT">
<Path Stretch="Fill" Data="F1 M233.5498,613.749 C233.9048,613.662,233.9828,613.379,233.7238,613.123 L232.1378,611.544 C231.8808,611.288,231.5968,611.367,231.5098,611.718L230.9968,613.784C230.9088,614.139,231.1258,614.355,231.4808,614.267z M249.4978,595.808C247.7348,594.047,245.9968,595.404,245.9968,595.404C245.7078,595.627,245.2668,596.019,245.0118,596.269C244.7588,596.521,244.7638,596.939,245.0198,597.196L248.1078,600.281C248.3648,600.54,248.7828,600.544,249.0388,600.29C249.2918,600.036,249.6808,599.594,249.9038,599.307C249.9038,599.307,251.2638,597.572,249.4978,595.808 M237.2018,612.109C236.9458,612.369,236.5228,612.369,236.2668,612.109L233.1778,609.025C232.9208,608.768,232.9208,608.349,233.1778,608.09L243.0538,598.228C243.3108,597.971,243.7318,597.971,243.9898,598.228L247.0738,601.312C247.3328,601.571,247.3328,601.993,247.0738,602.248z"
Height="16" Width="16"
SnapsToDevicePixels="True" />
</telerik:RadButton>
</StackPanel>
<telerik:RadBusyIndicator IsIndeterminate="True"
IsBusy="{Binding IsBusy}" DisplayAfter="0:0:0.2"
telerik:AnimationManager.IsAnimationEnabled="True"/>
</Grid>
</UserControl>
<!-- Texybox with scrollviewer-->
<Style x:Key="CustomTextBoxStyle" TargetType="TextBox">
<Setter Property="Background" Value="{x:Null}" />
<Setter Property="BorderBrush" Value="{x:Null}" />
<Setter Property="BorderThickness" Value="0" />
<Setter Property="TextWrapping" Value="Wrap" />
<Setter Property="VerticalContentAlignment" Value="Top" />
<Setter Property="FontSize" Value="14" />
<Setter Property="Margin" Value="0" />
<Setter Property="Padding" Value="0" />
<Setter Property="IsReadOnly" Value="True" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="TextBox">
<Grid x:Name="RootElement" UseLayoutRounding="True">
<ScrollViewer x:Name="PART_ContentHost"
Padding="{TemplateBinding Padding}"
Foreground="{TemplateBinding Foreground}"
Background="{x:Null}"
BorderBrush="{x:Null}"
BorderThickness="0"
Margin="0"
VerticalScrollBarVisibility="Visible" />
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>