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1 answer
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If the user manually enters "0" in the date textbox and lost focus from date picker , app crashes. 

Its seems to crash only with "0"...it does allow the "1" or "2"..or even allows the user to select a NE entry date from the calendar menu but manually delete almost the whole of it.

Error : Year, Month, and Day parameters describe an un-representable DateTime.

'

You can check in Telerik C# sample exe also. It simply crash when you enter '0' in datepicker and lost focus.

Please advice me how to solve or atleast how to stop manual entry in that control asap. We have release soon.

Konstantina
Telerik team
 answered on 14 Dec 2009
1 answer
72 views
Hello

I have a grid with checkBox column
I want to find all the rows
where the user select the checkBox
(something like foreach..
so I can save the ID's of the selected rows in an array)

thanks
Vlad
Telerik team
 answered on 14 Dec 2009
1 answer
35 views
What are the new classes I can used alternatively? I cast a Record to a DataRecord to access its Data property currently.

SelectedRecords and its CollectionChanged event are gone...


Vlad
Telerik team
 answered on 14 Dec 2009
6 answers
163 views
I'm getting strange results with the gridview when I maximize my window and the Gridview has data.  I can't figure out why it's happening (because sometimes maximizing the window works just fine and sometimes it doesn't).  Here's the stack trace:

System.NullReferenceException was unhandled  
  Message="Object reference not set to an instance of an object." 
  Source="Telerik.Windows.Controls.GridView" 
  StackTrace:  
       at Telerik.Windows.Controls.GridView.GridViewCellsPanel.ArrangeChild(UIElement child, Int32 displayIndex, ArrangeState arrangeState) in c:\Builds\WPF_Scrum\GridView_WPF\Sources\Development\Controls\GridView\GridView\GridView\Virtualization\GridViewCellsPanel.cs:line 1599  
       at Telerik.Windows.Controls.GridView.GridViewCellsPanel.ArrangeOverride(Size arrangeSize) in c:\Builds\WPF_Scrum\GridView_WPF\Sources\Development\Controls\GridView\GridView\GridView\Virtualization\GridViewCellsPanel.cs:line 1536  
       at System.Windows.FrameworkElement.ArrangeCore(Rect finalRect)  
       at System.Windows.UIElement.Arrange(Rect finalRect)  
       at MS.Internal.Helper.ArrangeElementWithSingleChild(UIElement element, Size arrangeSize)  
       at System.Windows.Controls.ItemsPresenter.ArrangeOverride(Size arrangeSize)  
       at System.Windows.FrameworkElement.ArrangeCore(Rect finalRect)  
       at System.Windows.UIElement.Arrange(Rect finalRect)  
       at System.Windows.Controls.Grid.ArrangeOverride(Size arrangeSize)  
       at System.Windows.FrameworkElement.ArrangeCore(Rect finalRect)  
       at System.Windows.UIElement.Arrange(Rect finalRect)  
       at System.Windows.Controls.Control.ArrangeOverride(Size arrangeBounds)  
       at System.Windows.FrameworkElement.ArrangeCore(Rect finalRect)  
       at System.Windows.UIElement.Arrange(Rect finalRect)  
       at System.Windows.Controls.Grid.ArrangeOverride(Size arrangeSize)  
       at System.Windows.FrameworkElement.ArrangeCore(Rect finalRect)  
       at System.Windows.UIElement.Arrange(Rect finalRect)  
       at System.Windows.ContextLayoutManager.UpdateLayout()  
       at System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)  
       at System.Windows.Media.MediaContext.InvokeOnRenderCallback.DoWork()  
       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, Boolean isSingleParameter)  
       at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)  
       at System.Windows.Threading.Dispatcher.WrappedInvoke(Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)  
       at System.Windows.Threading.DispatcherOperation.InvokeImpl()  
       at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)  
       at System.Threading.ExecutionContext.runTryCode(Object userData)  
       at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)  
       at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)  
       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, Boolean isSingleParameter)  
       at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)  
       at System.Windows.Threading.Dispatcher.WrappedInvoke(Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)  
       at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Boolean isSingleParameter)  
       at System.Windows.Threading.Dispatcher.Invoke(DispatcherPriority priority, Delegate method, Object arg)  
       at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)  
       at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)  
       at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)  
       at System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)  
       at System.Windows.Threading.Dispatcher.Run()  
       at System.Windows.Application.RunDispatcher(Object ignore)  
       at System.Windows.Application.RunInternal(Window window)  
       at System.Windows.Application.Run(Window window)  
       at System.Windows.Application.Run()  
       at Tracker.App.Main() in C:\_projects\R2C\Tracker\Tracker\obj\Debug\App.g.cs:line 0  
       at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args)  
       at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)  
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()  
       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)  
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)  
       at System.Threading.ThreadHelper.ThreadStart()  
  InnerException:   
 
udit handa
Top achievements
Rank 1
 answered on 14 Dec 2009
1 answer
96 views
SelectedItem is null after set

i checked why it happened and appearently there was a problem inside
Telerik.Windows.Data.Dll
in the class
DataControl

on the  SelectedItem Property
inside the

ItemCoerce function

the Items.CollectionView is null so it doesn't seceed with the IndexOf
and nothing is selected

now it all happens because the Items.CollectionView is null
i also tried to set the ItemSource & DataContext Before the assigment of selectedItem
but it didn't helped

what should i do to make it work?

thanks

igal a
Top achievements
Rank 1
 answered on 12 Dec 2009
5 answers
329 views
Hi Guys

I am trying to bind my chart to a ObservableCollection of ObservableCollections is this possible?

I have worked look at ms-help://telerik.windows.controls/telerik.windows.controls.charting/data-binding-series-mappings.html but no joy. Do you have a sample of this in VB ?

Velin
Telerik team
 answered on 11 Dec 2009
0 answers
109 views
Hi,
I tried to build QuickStart dll, but it gave me error:
'Telerik.Windows.Controls.ThemeManager' does not contain a definition for 'StandardThemeNames'
I found that StandardThemeNames was defined as internal in 'Telerik.Windows.Controls.ThemeManager'
Please help, i need to build and debug to learn the QSF.

Thanks in advance.
Duy Doan

Duy
Top achievements
Rank 1
 asked on 11 Dec 2009
2 answers
133 views
Hi,

is there a possibility to select or to doubleclick a row only by clicking on the RowIndicator? 

I need an event to open a new Window in a RadGridView. 
The double click event of the RadGridView works, but if you try to change a value of a column and if you are clicking too fast, you will hit the double click event.
EAkbari
Top achievements
Rank 1
 answered on 11 Dec 2009
4 answers
174 views

Can I adjust RadDocking so that I would be able to place RadPane into one (tabbed) or a few RadPaneGroups, but within the same DocumentHost?

For example:

write:


- <RadDocking>
- <DocumentHost>
- <RadSplitContainer Orientation="Horizontal">
- <Items>
- <RadPaneGroup>
- <Items>  <RadPane/>  </Items>
  </RadPaneGroup>
- <RadPaneGroup>
- <Items>
  <RadPane/>
  </Items>
  </RadPaneGroup>
  </Items>
  </RadSplitContainer>
  </DocumentHost>
- <SplitContainers>
- <RadSplitContainer Dock="DockedRight">
- <Items>
- <RadPaneGroup>
  <Items />
  </RadPaneGroup>
  </Items>
  </RadSplitContainer>
...........


Write:
- <RadDocking>
- <DocumentHost>
- <RadSplitContainer Orientation="Horizontal">
- <Items>
- <RadPaneGroup>
- <Items>  <RadPane/> <RadPane/>  </Items>
  </RadPaneGroup>
  </Items>
  </RadSplitContainer>
  </DocumentHost>
- <SplitContainers>
- <RadSplitContainer Dock="DockedRight">
- <Items>
- <RadPaneGroup>
  <Items />
  </RadPaneGroup>
  </Items>
  </RadSplitContainer>
...........


wrong:
<RadDocking>
- <DocumentHost>
- <RadSplitContainer Orientation="Horizontal">
- <Items>
- <RadPaneGroup>
- <Items>  <RadPane/>  </Items>
  </RadPaneGroup>
  </Items>
  </RadSplitContainer>
  </DocumentHost>
- <SplitContainers>
- <RadSplitContainer Dock="DockedRight">
- <Items>
- <RadPaneGroup>
  <Items><RadPane/></Items>
  </RadPaneGroup>
  </Items>
  </RadSplitContainer>
..........


wrong:
<RadDocking>
- <DocumentHost>
- <RadSplitContainer Orientation="Horizontal">
- <Items>
- <RadPaneGroup>
- <Items>  <RadPane/>  </Items>
  </RadPaneGroup>
  </Items>
  </RadSplitContainer>
  </DocumentHost>
- <SplitContainers>
- <RadSplitContainer Dock="DockedRight">
- <Items>
- <RadPaneGroup>
  <Items/>
  </RadPaneGroup>
  </Items>
  </RadSplitContainer>
..........
..........
..........
- <RadSplitContainer InitialPosition="FloatingDockable">
- <Items>
- <RadPaneGroup>
- <Items>
  <RadPane/>
  </Items>
  </RadPaneGroup>
  </Items>
  </RadSplitContainer>






Nikolay Chekalkin
Top achievements
Rank 1
 answered on 11 Dec 2009
1 answer
394 views
Hello
I have a Hierarchy grid
I add a MouseDoubleClick event both to my
parent and child grids
the problem is
when I double click the child
the event raise twice, once to the child and then to the parent.
Milan
Telerik team
 answered on 10 Dec 2009
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