Q3 2010 combobox related error

2 posts, 0 answers
  1. Kirk Quinbar
    Kirk Quinbar avatar
    48 posts
    Member since:
    Nov 2007

    Posted 11 Nov 2010 Link to this post

    We have a Unity framework based MVVM silverlight application that has been running Q2 2010 Telerik silverlight controls which i am trying to update to Q3 2010. We have a child window with a combobox. after the upgrade, I am now getting this error as unity tries to display the child window.
    • I am assuming this is an issue with the radcombobox?
    • if so, any ideas on what is causing this?
    • are there new dependency dlls i need to reference with Q3 2010 that i didnt in the previous version?
    • any change in how the combobox gets setup in the xaml file?


    Method not found: 'Void Telerik.Windows.Controls.Automation.Peers.SelectorAutomationPeer.RaiseSelectionEvents(System.Windows.Controls.SelectionChangedEventArgs)'.

       at Telerik.Windows.Controls.RadComboBox.OnSelectionChanged(SelectionChangedEventArgs e)
       at Telerik.Windows.Controls.Selector.OnSelectionChanged(Object sender, SelectionChangedEventArgs e)
       at Telerik.Windows.Controls.Selector.SelectionChanger`1.InvokeSelectionChangedEvent()
       at Telerik.Windows.Controls.Selector.SelectionChanger`1.End()
       at Telerik.Windows.Controls.Selector.SelectionChanger`1.SelectJustThisItem(T item)
       at Telerik.Windows.Controls.Selector.SelectItemWithValue(Object value)
       at Telerik.Windows.Controls.Selector.CoerceSelectedValue(Object value)
       at Telerik.Windows.Controls.Selector.OnCoerceSelectedValue(DependencyObject sender, Object newValue)
       at Telerik.Windows.PropertyMetadata.CoerceValue(DependencyObject d, DependencyPropertyChangedEventArgs e, CoerceValueCallback callback)
       at Telerik.Windows.PropertyMetadata.<>c__DisplayClass1.<Create>b__0(DependencyObject d, DependencyPropertyChangedEventArgs e)
       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.RefreshExpression(DependencyProperty dp)
       at System.Windows.Data.BindingExpression.SendDataToTarget()
       at System.Windows.Data.BindingExpression.SourceAcquired()
       at System.Windows.Data.BindingExpression.System.Windows.IDataContextChangedListener.OnDataContextChanged(Object sender, DataContextChangedEventArgs e)
       at System.Windows.Data.BindingExpression.DataContextChanged(Object sender, DataContextChangedEventArgs e)
       at System.Windows.DataContextChangedEventHandler.Invoke(Object sender, DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.OnDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.OnAncestorDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.NotifyDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.OnAncestorDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.NotifyDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.OnAncestorDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.NotifyDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.OnAncestorDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.NotifyDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.OnAncestorDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.NotifyDataContextChanged(DataContextChangedEventArgs e)
       at System.Windows.FrameworkElement.OnTreeParentUpdated(DependencyObject newParent, Boolean bIsNewParentAlive)
       at System.Windows.DependencyObject.UpdateTreeParent(IManagedPeer oldParent, IManagedPeer newParent, Boolean bIsNewParentAlive, Boolean keepReferenceToParent)
       at MS.Internal.FrameworkCallbacks.ManagedPeerTreeUpdate(IntPtr oldParentElement, IntPtr parentElement, IntPtr childElement, Byte bIsParentAlive, Byte bKeepReferenceToParent, Byte bCanCreateParent)

  2. Konstantina
    Admin
    Konstantina avatar
    2332 posts

    Posted 12 Nov 2010 Link to this post

    Hi Kirk,

    Could you please check if all Telerik assemblies that you are using are with the same version. After that, please try to recompile the project.
    If you still receiving this error, please send us a sample project which reproduces the issue and steps to reproduce. In that way we will be able to track down the source of the problem and provide you with a solution in a timely manner.

    Please let us know if you need further assistance.

    Kind regards,
    Konstantina
    the Telerik team
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