แยกตารางจากเอกสาร PDF ผ่าน C#

Aspose.Pdf.Document pdfDocument = new Aspose.Pdf.Document(@"c:\tmp\the_worlds_cities_in_2018_data_booklet 7.pdf");           
    foreach (var page in pdfDocument.Pages)
    {
        Aspose.Pdf.Text.TableAbsorber absorber = new Aspose.Pdf.Text.TableAbsorber();
        absorber.Visit(page);
        foreach (AbsorbedTable table in absorber.TableList)
        {
            foreach (AbsorbedRow row in table.RowList)
            {
                foreach (AbsorbedCell cell in row.CellList)
                {
                    TextFragment textfragment = new TextFragment();
                    TextFragmentCollection textFragmentCollection = cell.TextFragments;
                    foreach (TextFragment fragment in textFragmentCollection)
                    {
                        string txt = "";
                        foreach (TextSegment seg in fragment.Segments)
                        {
                            txt += seg.Text;
                        }
                        Console.WriteLine(txt);
                    }
                }
            }
        }
    }