RadControls for WinForms Error

[Ved Prakash]

hello , I am getting exception,

 

"Parameter is not valid."

 

Description: An unhandled exception occurred during closing the main form of MDI.

 

Exception Details: System.ArgumentException: Parameter is not valid.

 

Stack Trace:

 

" at System.Drawing.Drawing2D.Matrix.Clone()\r\n   at Telerik.WinControls.RadElement.get_TotalTransformationMatrix()\r\n   at Telerik.WinControls.RadElement.get_ControlBoundingRectangle()\r\n   at Telerik.WinControls.RadControl.InvalidateElement(RadElement element)\r\n   at Telerik.WinControls.RadElement.PerformInvalidateElement(RadElement element)\r\n   at Telerik.WinControls.RadElement.OnDisplayPropertyChanged(RadPropertyChangedEventArgs e)\r\n   at Telerik.WinControls.RadElement.OnPropertyChanged(RadPropertyChangedEventArgs e)\r\n   at Telerik.WinControls.VisualElement.OnPropertyChanged(RadPropertyChangedEventArgs e)\r\n   at Telerik.WinControls.RadItem.OnPropertyChanged(RadPropertyChangedEventArgs e)\r\n   at Telerik.WinControls.UI.LightVisualElement.OnPropertyChanged(RadPropertyChangedEventArgs e)\r\n   at Telerik.WinControls.UI.GridCellElement.OnPropertyChanged(RadPropertyChangedEventArgs e)\r\n   at Telerik.WinControls.RadObject.UpdateEffectiveValue(RadProperty dp, RadPropertyMetadata metadata, Boolean isCoerceValue, Boolean isOldValueValid, Object oldValue, ValueSource oldValueSource, Boolean oldValueIsDeferred, Boolean coerceWithDeferredReference)\r\n   at Telerik.WinControls.RadObject.NotifyOnPropertyChanged(RadProperty radProperty, Object oldValue)\r\n   at Telerik.WinControls.RadObject.UnregisterStylePropertySetting(IPropertySetting setting, Boolean notifyPropertyChange)\r\n   at Telerik.WinControls.PropertySetting.UnregisterValue(RadElement element)\r\n   at Telerik.WinControls.SelectorBase.Unregister(RadElement element, PropertySettingCollection propertySettings)\r\n   at Telerik.WinControls.StyleSheet.Unapply(RadElement radElement)\r\n   at Telerik.WinControls.RadElement.UnapplyParentStyle(RadElement parent)\r\n   at Telerik.WinControls.RadElement.UnapplyStyle()\r\n   at Telerik.WinControls.RadElement.SetParent(RadElement parent)\r\n   at Telerik.WinControls.RadElement.ChangeCollection(RadElement child, ItemsChangeOperation changeOperation)\r\n   at Telerik.WinControls.RadElementCollection.OnRemoveComplete(Int32 index, Object value)\r\n   at System.Collections.CollectionBase.RemoveAt(Int32 index)\r\n   at Telerik.WinControls.UI.GridRowElement.UpdateColumns(NotifyCollectionChangedEventArgs e)\r\n   at Telerik.WinControls.UI.GridTableElement.UpdateColumns(NotifyCollectionChangedEventArgs e)\r\n   at Telerik.WinControls.UI.GridViewTemplate.UpdateColumns(NotifyCollectionChangedEventArgs e)\r\n   at Telerik.WinControls.UI.GridViewColumnCollection.NotifyListenersCollectionChanged(NotifyCollectionChangedEventArgs e)\r\n   at Telerik.WinControls.Data.ObservableCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)\r\n   at Telerik.WinControls.UI.GridViewColumnCollection.OnCollectionChanged(NotifyCollectionChangedEventArgs e)\r\n   at Telerik.WinControls.Data.ObservableCollection`1.ClearItems()\r\n   at Telerik.WinControls.Data.ItemObservableCollection`1.ClearItems()\r\n   at Telerik.WinControls.UI.GridViewColumnCollection.ClearItems()\r\n   at Telerik.WinControls.Data.DataAccessComponent.Dispose(Boolean disposing)\r\n   at Telerik.WinControls.UI.GridViewTemplate.Dispose(Boolean disposing)\r\n   at System.ComponentModel.Component.Finalize()"

Thanks

Ved Prakash

[Vlad]

Hello,

This forum is for our controls for ASP.NET AJAX however according to the stack trace you have our WinForms controls. Please post your question in the relevant forum!

Greetings,
Vlad
the Telerik team

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