Table of Contents + UpdateFields method

Aspose.Words Product Family
1

After installing Aspose.words 9.0, I modified the the code displayed in the following post : https://reference.aspose.com/words/net/aspose.words/documentbuilder/inserttableofcontents/ to update the fields prior to saving the document as follows:

builder.UpdateFields();
builder.UpdatePageLayout();

and received the following error:

{"Exception of type 'System.OutOfMemoryException' was thrown."}
[System.OutOfMemoryException]: {"Exception of type 'System.OutOfMemoryException' was thrown."}
Data: {System.Collections.ListDictionaryInternal}
HelpLink: null
InnerException: null
Message: "Exception of type 'System.OutOfMemoryException' was thrown."
Source: "Aspose.Words"
StackTrace: " at ..()\r\n at ..Clone()\r\n at Aspose.Words.Inline.Clone(Boolean isCloneChildren)\r\n at ..( )\r\n at ..()\r\n at ..()\r\n at ..OnChildNode()\r\n at ..()\r\n at ..( , Node , )\r\n at ..()\r\n at Aspose.Words.Fields.Field.( )\r\n at Aspose.Words.Fields.Field.Update()\r\n at Aspose.Words.Range.UpdateFields()\r\n at Aspose.Words.Document.UpdateFields()\r\n at SandBox_WindowsApp.AsposeTesting.TableOfContents.BuildAsposeTOC() in C:\\DEV\\SandBox\\WindowsApp_SandBox\\AsposeTesting\\TableOfContents.cs:line 72"
TargetSite: {. ()}

when that didn’t work, i also tried saving the doc and re-opening, updating and saving again… with the same result. Any ideas?
Thanks, mlb

2

Hi,

Thank you for reporting this problem to us. Most likely, the problem occurs because you inserted TOC into the paragraph with heading style. You can easily resolve the problem by adding one additional line to your code. See the following snippet of code:

' Insrt a table of contents at the beginning of the document.
builder.InsertTableOfContents("\o ""1-3"" \h \z \u")
builder.Writeln()
' Build a document with complex structure by applying different heading styles thus creating TOC entries.
builder.ParagraphFormat.StyleIdentifier = StyleIdentifier.Heading1
builder.Writeln("Heading 1")

Your request has been linked to the appropriate issue. You will be notified as soon as the original problem is resolved.
Best regards.

3

The issues you have found earlier (filed as 15752) have been fixed in this update.

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