- Code: Select all
output.Sections.Add(source.Sections[0].Clone())
(output and source are both Spire.Doc Documents but output always returns with a count of 0)
And the same error is always returned:
System.NullReferenceException: Object reference not set to an instance of an object.
at Spire.Doc.Documents.Style.?(String A_0)
at Spire.Doc.Documents.Style.?(Document A_0, Document A_1)
at Spire.Doc.DocumentObject.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.Documents.Paragraph.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.DocumentObject.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.TableCell.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.DocumentObject.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.TableRow.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.DocumentObject.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.Table.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.DocumentObject.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.DocumentObject.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.Section.CloneRelationsTo(Document doc, OwnerHolder nextOwner)
at Spire.Doc.Collections.DocumentObjectCollection.OnInsert(Int32 index, DocumentObject entity)
at Spire.Doc.Collections.DocumentObjectCollection.Add(IDocumentObject entity)
From the stack trace this error was also displayed:
output.Sections.Add(source.Sections); error CS1503: Argument 1: cannot convert from 'Spire.Doc.Collections.SectionCollection' to 'Spire.Doc.Interface.ISection'
I appreciate any help you may provide and thank you as always.
Kind regards,
Adrian