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2 answers
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I have a RadPivotGrid setup as follows which gives the error stated in the title "The attachable property 'DataProvider' was not found in type 'RadPivotGrid'"
            <pivot:RadPivotGrid>
                <pivot:RadPivotGrid.DataProvider>
                    <pivot:LocalDataSourceProvider ItemsSource="{Binding Path=Events2}"/>
                </pivot:RadPivotGrid.DataProvider>
            </pivot:RadPivotGrid>

This is in Visual Studio 2013 Express with Telerik Q1 2014 WPF 4.5.

I also made sure I have the following references (and some extra):
Telerik.Pivot.Core
Telerik.Windows.Controls.Pivot
Telerik.Windows.Controls
System.Runtime.Serialization

It does compile but no interface is shown. Events is a list of standard objects with properties. If all works well should I assume that it just prints a flat grid with the above definition?
Wouter
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 answered on 03 Apr 2014
7 answers
226 views
Hello everybody :)

I would like to know how to implement the drag and drop functionality between two TreeListViews.
I really appreciate it, if you can send me a working WPF project sample with this functionality.

Thanks, in advance, for your time.
Best regards.
Jorge

Manuel
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 answered on 03 Apr 2014
7 answers
278 views
I  have my VSPackage extention for VS2010. 
I have tried to use with the GridView in my custom window pane, but  I have exception.
I referenced are following assemblies :
            Telerik.Windows.Controls
            Telerik.Windows.Controls.Data
            Telerik.Windows.Controls.Input
            Telerik.Windows.Controls.GridView
            Telerik.Windows.Data

I don't know what is missing?
I use the 2013.2.724.40 version.

[ERROR - 2014-03-19 16:03:46] FOUNDATION: Exception occurred. Message: System.Windows.Markup.XamlParseException: Provide value on 'System.Windows.Markup.StaticResourceHolder' threw an exception. ---> System.Exception: Cannot find resource named 'Telerik.Windows.Controls.GridViewDataColumn'. Resource names are case sensitive.
   at System.Windows.StaticResourceExtension.ProvideValue(IServiceProvider serviceProvider)
   at MS.Internal.Xaml.Runtime.ClrObjectRuntime.CallProvideValue(MarkupExtension me, IServiceProvider serviceProvider)
   --- End of inner exception stack trace ---
   at System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlReader templateReader, XamlObjectWriter currentWriter)
   at System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlObjectWriter objectWriter)
   at System.Windows.FrameworkTemplate.LoadOptimizedTemplateContent(DependencyObject container, IComponentConnector componentConnector, IStyleConnector styleConnector, List`1 affectedChildren, UncommonField`1 templatedNonFeChildrenField)
   at System.Windows.FrameworkTemplate.LoadContent(DependencyObject container, List`1 affectedChildren)
   at System.Windows.StyleHelper.ApplyTemplateContent(UncommonField`1 dataField, DependencyObject container, FrameworkElementFactory templateRoot, Int32 lastChildIndex, HybridDictionary childIndexFromChildID, FrameworkTemplate frameworkTemplate)
   at System.Windows.FrameworkTemplate.ApplyTemplateContent(UncommonField`1 templateDataField, FrameworkElement container)
   at System.Windows.FrameworkElement.ApplyTemplate()
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Control.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.ContextLayoutManager.UpdateLayout()
   at System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)
   at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
   at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
   at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
Sia
Telerik team
 answered on 03 Apr 2014
1 answer
139 views
Hello !
When i'm using filtering like described in:
http://www.telerik.com/help/wpf/radtreeview-how-to-implement-search-filter-sort.html

I'm not able to tab into the Treeview Control to select an item only with Keyboard Navigation.
The whole TreeView Control is selected (seen on Frame) but i can't select an Item.
If i select one first with the Mouse then i can use Keyboard Navigation.
But i want the user to use only Keyboard Navigation.

This behaviour can be tested with the Demo 'TreeView / FilterSearchSort' in the xaml-sdk.

If i tab through the FilterSearchSort Demo without any Input then i can Stop in the TreeView and Select the First Item with the Space Key.
If i filter the TreeView this doesn't work.

Any Suggestion ?
Boris
Telerik team
 answered on 03 Apr 2014
1 answer
223 views
Hi, is there any way to restore all close, floating or hiding windows in wpf. I can only use code like this 

           if (mnuSymbols.IsChecked == false)
            {
                radPaneSymbols.RemoveFromParent();
            }
            else
            {
                radGroup0.Items.Add(radPaneSymbols);
            }

I need someting like a winforms redock service. Is it available in wpf?
Vladi
Telerik team
 answered on 03 Apr 2014
1 answer
93 views
Hello, I'm trying to select a cell in code, " http://www.telerik.com/help/wpf/gridview-how-to-set-current-cell.html" but the grid does not seem to set it the way it would if a user clicked into the cell. The problem is that the focus rectangle moves to that cell, but the background stays on the previous cell. I'm only allowing selection by single cell, not the whole row so I don't know if that matters. Also, the SelectedCells IList is 0, but if a user selected the cell, the list would have that cell included in it. Do I need to do something else to make this work like a user clicking into the cell?

Thanks,
Scott
Yoan
Telerik team
 answered on 03 Apr 2014
4 answers
126 views
Hi Telerik,

I am using the RadCartesianChart and i have 3 axes. 2 Vertical, 1 Horizontal. 

The problem is that the vertical scrollbar appears on the top vertical axis of the graph and i want it to appear on the bottom vertical axis. See attached image.

I have searched forums in here but havent found someone in similar situation.

So how would i achieve this? :)

Best regards,
Jeppe
Unisense
Top achievements
Rank 1
 answered on 03 Apr 2014
1 answer
121 views
In our application we have docked  ItemsControl. Inside which there are two Containers hosted.Inside these containers we have different expander tab and inside that we have multiple controls.
Earlier before migrating application to docked window UI Spy able to detect controls. But after migrating application to docked window it is not able to find controls. We just have increase the hierarchy by two level i.e. ItemsControl->Containers.

Please provide help regarding this.  
Yana
Telerik team
 answered on 03 Apr 2014
1 answer
563 views
Hello,

I was successful in applying a style to a RadPropertyGrid through XAML. Is there a default style we could reference in the BasedOn tag?

Thank ye...

Best regards.
Yoan
Telerik team
 answered on 03 Apr 2014
1 answer
123 views
I am trying to use listbox and make something like Windows Explorer.  I am loading in 8000 items, so the virtualizing is very helpful.   I wish scrolling wasn't so clunky.  But here is the issue.  Is there a way a way to do like Windows Explorer and load the image for the items when they appear virtualized or after the fact?  You see, if I wait for 8000 items to make a call to the backend and get their icons, it will take forever.  So I need to get the icons for each item in the listbox when I need it.  But I can't figure out how to do that.  Do you have any samples?  I hope that makes sense.  I am sure you have seen it where the items in a list appear with place holders and then the images come in as they are loaded.
Rosen Vladimirov
Telerik team
 answered on 03 Apr 2014
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