问题描述
我正在使用 Telerik.WinControls.dll 2009.2.9.729 和 VS2019。它是随机抛出错误。是 Telerik 版本的问题吗？
************** Exception Text **************
System.NullReferenceException: Object reference not set to an instance of an object.
at Telerik.WinControls.RadPropertyValueCollection.FindEntry(Int32 propertyIndex,Boolean& found)
at Telerik.WinControls.RadPropertyValueCollection.GetEntry(RadProperty prop,Boolean createNew)
at Telerik.WinControls.Radobject.GetValue(RadProperty property)
at Telerik.WinControls.RadElement.get_Padding()
at Telerik.WinControls.UI.LightVisualElement.GetClientRectangle(Boolean includeBorder,Sizef finalSize)
at Telerik.WinControls.UI.LightVisualElement.MeasureOverride(Sizef availableSize)
at Telerik.WinControls.UI.GridDataCellElement.MeasureOverride(Sizef availableSize)
at Telerik.WinControls.RadElement.MeasureCore(Sizef availableSize)
at Telerik.WinControls.RadElement.Measure(Sizef availableSize)
at Telerik.WinControls.Layouts.ContextLayoutManager.UpdateLayout()
at Telerik.WinControls.Layouts.ContextLayoutManager.UpdateLayoutCallback(ILayoutManager manager)
************** Exception Text **************
System.ArgumentException: Parameter is not valid.
at System.Drawing.drawing2d.Matrix.get_IsIdentity()
at Telerik.WinControls.RadElement.MeasureCore(Sizef availableSize)
at Telerik.WinControls.RadElement.Measure(Sizef availableSize)
at Telerik.WinControls.RadElement.MeasureOverride(Sizef availableSize)
at Telerik.WinControls.RadElement.MeasureCore(Sizef availableSize)
at Telerik.WinControls.RadElement.Measure(Sizef availableSize)
at Telerik.WinControls.RadElement.MeasureOverride(Sizef availableSize)
at Telerik.WinControls.UI.LightVisualElement.MeasureOverride(Sizef availableSize)
at Telerik.WinControls.UI.GridDataCellElement.MeasureOverride(Sizef availableSize)
at Telerik.WinControls.RadElement.MeasureCore(Sizef availableSize)
at Telerik.WinControls.RadElement.Measure(Sizef availableSize)
at Telerik.WinControls.Layouts.ContextLayoutManager.UpdateLayout()
at Telerik.WinControls.Layouts.ContextLayoutManager.UpdateLayoutCallback(ILayoutManager manager)
解决方法
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