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{"NullReferenceException"} in lates hotfix for WP7

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kity asked on 28 Sep 2012, 12:46 PM

After update teleric Windows Phone 7 library with lates hotfix version "RadControls_for_WindowsPhone_2012_2_0919_DEV_hotfix" get this message error in one of my constructors.

#region constructors

public AlarmView()

{

InitializeComponent(); // <- here I get error message about null reference  {"NullReferenceException"}

}

#endregion

Before new version everyting is work just fine.

I get this error in runtime and in InitializeComponent() & at design:

Object reference not set to an instance of an object.

at Telerik.Windows.Controls.VirtualizationStrategy.UpdateScrollBarVisibility() in c:\Builds\67\WindowsPhone\All_Controls_WPFixes\Sources\Development\Controls\Primitives\VirtualizingDataControl\VStrategies\VirtualizationStrategy.cs:line 788 at Telerik.Windows.Controls.RadVirtualizingDataControl.OnScrollBarModeChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args) in c:\Builds\67\WindowsPhone\All_Controls_WPFixes\Sources\Development\Controls\Primitives\VirtualizingDataControl\VirtualizingDataControlScrolling.cs:line 192 at System.Windows.DependencyObject.RaisePropertyChangeNotifications(DependencyProperty dp, Object oldValue, Object newValue) at System.Windows.DependencyObject.UpdateEffectiveValue(DependencyProperty property, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, ValueOperation operation) at System.Windows.DependencyObject.SetValueInternal(DependencyProperty dp, Object value, Boolean allowReadOnlySet, Boolean isBindingInStyleSetter) at Telerik.Windows.Controls.RadVirtualizingDataControl.set_ScrollBarMode(ScrollBarMode value) in c:\Builds\67\WindowsPhone\All_Controls_WPFixes\Sources\Development\Controls\Primitives\VirtualizingDataControl\RadVirtualizingDataControl.cs:line 257

<telerik:RadDataBoundListBox x:Name="AlarmList" Grid.Column="0" Grid.Row="1" Grid.ColumnSpan="9"

ScrollBarMode="AlwaysVisible"

ItemsSource="{Binding Data, Mode=OneWay}" MinWidth="1500"

HorizontalAlignment="Stretch" VerticalAlignment="Stretch">

<telerik:RadDataBoundListBox.ItemTemplate>

<DataTemplate x:Name="AlarmDataItemTemplate">

<Grid>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="180"/>

<ColumnDefinition Width="370"/>

<ColumnDefinition Width="160"/>

<ColumnDefinition Width="300"/>

<ColumnDefinition Width="100"/>

<ColumnDefinition Width="150"/>

<ColumnDefinition Width="100"/>

</Grid.ColumnDefinitions>

<TextBlock Grid.Column="0" Text="{Binding Time, StringFormat='{}{0:dd.MM.yyyy HH:mm:ss}'}" />

<TextBlock Grid.Column="1" Text="{Binding Tag}" />

<TextBlock Grid.Column="2" Text="{Binding Terminal}" />

<TextBlock Grid.Column="3" Text="{Binding Description}" />

<TextBlock Grid.Column="4" Text="{Binding Failure}" />

<TextBlock Grid.Column="5" Text="{Binding Priority}" />

<TextBlock Grid.Column="6" Text="{Binding Name}" />

<TextBlock Grid.Column="7" Text="{Binding GroupName}" />

<TextBlock Grid.Column="8" Text="{Binding System}" />

</Grid>

</DataTemplate>

</telerik:RadDataBoundListBox.ItemTemplate>

</telerik:RadDataBoundListBox>

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