How to move a TOC FIELD to another section correctly?

Aspose.Words Product Family
1

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here are my two TOC Field that generated through codes.
but now I want to move of of it to the following section(i mean a section created and attached the the current one), I have tried that, but that doesn’t work… how should i do it?

2

@Madecho The simplest solution will be removing TOC field from one section and inserting the TOC field with the same field code into another section.

3

@alexey.noskov hello alexey.

{
    ParagraphCollection paragraphCollection = section.getBody().getParagraphs();
    if (formattingProcessShareVar.getShapeCount() > 0)
    {
        Paragraph paragraph = new Paragraph(section.getDocument());
        paragraphCollection.add(paragraph);
        paragraph.appendField("TOC \\h \\z \\c \"图\"");
    }

    Paragraph pageBreakParagraph = new Paragraph(section.getDocument());

    pageBreakParagraph.appendChild(new Run(section.getDocument(), ControlChar.PAGE_BREAK));

    paragraphCollection.add(pageBreakParagraph);

    Paragraph newPageContent = new Paragraph(section.getDocument());
    Run run = new Run(section.getDocument(), "这是新页面上的内容。");
    newPageContent.appendChild(run);
    newPageContent.appendField("TOC \\h \\z \\c \"表\"");

    paragraphCollection.add(newPageContent);
}

here’s my code, but at newPageContent.appendField("TOC \\h \\z \\c \"表\"");, comes out a exception said 'Cannot invoke com.aspose.words.CompositeNode.insertAfter(com.aspose.words.Node, com.aspose.words.Node) because the return value of com.aspose.words.Node.getParentNode() is null, why?
the run content can be added at the next page if newPageContent.appendField("TOC \\h \\z \\c \"表\""); was not added, so i thought i can use newPageContent.appendField("TOC \\h \\z \\c \"表\""); to achieve my goal

4

@Madecho To use Paragraph.appendField method, you should first add the paragraph into the document. Please modify your code like this:

Paragraph newPageContent = new Paragraph(section.getDocument());
paragraphCollection.add(newPageContent); // Add document into the DOM
Run run = new Run(section.getDocument(), "这是新页面上的内容。");
newPageContent.appendChild(run);
newPageContent.appendField("TOC \\h \\z \\c \"表\"");