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How to delete text before MergeField?

image.png (531 Bytes)

If my tag does not set value, I want to delete the merge tag and “some texts”.

What should I do? thanks a lot.


You can build on the following code that removes all nodes before the merge field and the leftover merge fields too:

Document doc = new Document("E:\\temp\\input.docx");

Node[] fields =  doc.GetChildNodes(NodeType.FieldStart, true).ToArray();
foreach (FieldStart field in fields)
    if (field.FieldType == FieldType.FieldMergeField)
        Node node = field.PreviousSibling;
        while (node != null) {
            Node temp = node;
            node = node.PreviousSibling;