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Exception in RadCalendar: WeakReferenceList`1 - IndexOf

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Gert
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Gert asked on 21 Jan 2020, 07:21 AM

Hi all!

I have an event which triggers an async loading task in which I change data which is bound to the RadCalendar.

In my development environment I never had any issues but users on RDS-Server have. This is the stack-trace from there log: 

 

ERROR2020-01-20 11:25:28 – Fatal Error - StackTrace: ModuleContainerManager - HandleUnhandledException

WeakReferenceList`1 - IndexOf

WeakReferenceList`1 - Remove

SelectionChanger`1 - Select

SelectionChanger`1 - InsertItem

Collection`1 - Add

SelectionChanger`1 - AddJustThis

RadCalendar - AddToSelection

RadCalendar - OnSelectedDateChanged

RadCalendar - OnSelectedDateChanged

DependencyObject - OnPropertyChanged

FrameworkElement - OnPropertyChanged

DependencyObject - NotifyPropertyChange

DependencyObject - UpdateEffectiveValue

DependencyObject - InvalidateProperty

BindingExpressionBase - Invalidate

BindingExpression - TransferValue

BindingExpression - ScheduleTransfer

ClrBindingWorker - NewValueAvailable

PropertyPathWorker - UpdateSourceValueState

PropertyPathWorker - OnDependencyPropertyChanged

ClrBindingWorker - OnSourceInvalidation

BindingExpression - HandlePropertyInvalidation

BindingExpressionBase - OnPropertyInvalidation

BindingExpression - OnPropertyInvalidation

DependentList - InvalidateDependents

DependencyObject - NotifyPropertyChange

DependencyObject - UpdateEffectiveValue

DependencyObject - SetValueCommon

DependencyObject - SetCurrentValue

RadDateTimePicker - OnSelectedValueChanged

RadDateTimePicker - OnSelectedValueChanged

DependencyObject - OnPropertyChanged

FrameworkElement - OnPropertyChanged

DependencyObject - NotifyPropertyChange

DependencyObject - UpdateEffectiveValue

DependencyObject - InvalidateProperty

BindingExpressionBase - Invalidate

BindingExpression - TransferValue

BindingExpression - ScheduleTransfer

ClrBindingWorker - NewValueAvailable

PropertyPathWorker - UpdateSourceValueState

PropertyPathWorker - RefreshValue

ClrBindingWorker - ScheduleTransferOperation

DataBindOperation - Invoke

DataBindEngine - ProcessCrossThreadRequests

ExceptionWrapper - InternalRealCall

ExceptionWrapper - TryCatchWhen

DispatcherOperation - InvokeImpl

DispatcherOperation - InvokeInSecurityContext

CulturePreservingExecutionContext - CallbackWrapper

ExecutionContext - RunInternal

ExecutionContext - Run

ExecutionContext - Run

CulturePreservingExecutionContext - Run

DispatcherOperation - Invoke

Dispatcher - ProcessQueue

Dispatcher - WndProcHook

HwndWrapper - WndProc

HwndSubclass - DispatcherCallbackOperation

ExceptionWrapper - InternalRealCall

ExceptionWrapper - TryCatchWhen

Dispatcher - LegacyInvokeImpl

HwndSubclass - SubclassWndProc

nsafeNativeMethods - DispatchMessage

Dispatcher - PushFrameImpl

Dispatcher - PushFrame

Application - RunDispatcher

Application - RunInternal

Application - Run

Application - Run

App - Main

 

Do I have to take care some how of the binding or how can I catch this to prevent app crash?

Thanks for help!!!!!!

BR Gert

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Martin Ivanov
Telerik team
answered on 23 Jan 2020, 03:01 PM

Hello Gert,

We are not aware of the reported behavior. Can you share some a additional information on the case? More specifically, code snippets (runnable if possible) showing how the RadCalendar is setup and how its selection is updated.

Regards,
Martin Ivanov
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Gert
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Martin Ivanov
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