Header & Footer render exception

[Andrea]

Hi,

I'm using syncfusion 19.3.0.46, the following exception is thrown when a document with header and footer is loaded.

System.NullReferenceException: Object reference not set to an instance of an object.

   at Syncfusion.Windows.Controls.RichTextBoxAdv.TextElementBox.Render(PageAdv page, Double left, Double top, Double underlineY, Double rowBottom)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.LineWidget.<>c__DisplayClassd.<Render>b__c()

   at Syncfusion.Windows.Controls.RichTextBoxAdv.UIDispatcher.Execute(Action action)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.LineWidget.Render(PageAdv page, Double left, Double top, Double rowBottom)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.ParagraphWidget.Render(PageAdv page, Double rowBottom)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.TableCellWidget.Render(PageAdv page, Double rowBottom)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.TableWidget.<>c__DisplayClass11.<Render>b__e()

   at Syncfusion.Windows.Controls.RichTextBoxAdv.UIDispatcher.Execute(Action action)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.TableWidget.Render(PageAdv page, Double rowBottom)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.BodyWidget.Render(PageAdv page)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.HeaderFooter.LayoutItems(PageLayoutViewer viewer)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.PageLayoutViewer.LayoutHeaderFooter(SectionAdv section)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.PageLayoutViewer.<>c__DisplayClass1.<CreateNewPage>b__0()

   at Syncfusion.Windows.Controls.RichTextBoxAdv.UIDispatcher.Execute(Action action)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.PageLayoutViewer.CreateNewPage(SectionAdv section)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.ParagraphAdv.MoveToNextPage(LayoutViewer viewer)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.Inline.<>c__DisplayClassc.<LayoutItems>b__8()

   at Syncfusion.Windows.Controls.RichTextBoxAdv.UIDispatcher.Execute(Action action)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.Inline.LayoutItems(LayoutViewer viewer)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.ParagraphAdv.LayoutItems(LayoutViewer viewer)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.SectionAdv.Layout(Int32 blockIndex, Boolean ShiftNextWidget)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.BlockAdvCollection.Layout(Int32 startIndex)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.BlockAdvCollection.<>c__DisplayClass3.<NodeCollection_CollectionChanged>b__1()

   at Syncfusion.Windows.Controls.RichTextBoxAdv.UIDispatcher.Execute(Action action)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.BlockAdvCollection.NodeCollection_CollectionChanged(Object sender, NotifyCollectionChangedEventArgs e)

   at System.Collections.ObjectModel.ObservableCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)

   at System.Collections.ObjectModel.ObservableCollection`1.InsertItem(Int32 index, T item)

   at System.Collections.ObjectModel.Collection`1.Insert(Int32 index, T item)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.BlockAdvCollection.Insert(Int32 index, Node blockAdv)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.DocxImporting.ParseTextBody(WTextBody textBody, BlockAdvCollection blockAdvCollection)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.DocxImporting.ParseDocument(SfRichTextBoxAdv rte, WordDocument doc, Boolean closeWordDocument, Boolean returnDocument)

   at Syncfusion.Windows.Controls.RichTextBoxAdv.SfRichTextBoxAdv.Load(WordDocument wordDocument)

[Kalaivannan Ganesan]

Hi Andrea,

Thanks for contacting Syncfusion support.

We can reproduce the reported issue “Exception is thrown on loading document with a header and footer contents”. We have already logged a defect report in SfRichTextBoxAdv control and the fix will be included in our next essential studio weekly NuGet release which is estimated to be available on 2^nd November 2021.

Please let us know if you have any other questions.

Regards,
Kalaivannan Ganesan 

[Kalaivannan Ganesan]

Hi Andrea,

Thanks for the Patience.

This is to inform you that our essential studio weekly NuGet is not published today. We will update you with further details on 3^rd November 2021.

Please let us know if you have any other questions.

Regards,
Kalaivannan Ganesan 

[Kalaivannan Ganesan]

Hi Andrea,

Thanks for your patience. 

We have included the fix “Exception is thrown on loading document with a header and footer contents” in our essential studio weekly NuGet release v19.3.0.48 and it has been published on 3^rd November 2021.

Please let us know if you have any other questions.

Regards,
Kalaivannan Ganesan