If you have a TextFragment and you set the Font for that fragment, then any Bold or FontSize set by child TextSegments will be ignored. The work around here would be to set the Font on each Segment, but that is sub-optim…...add 10 rows for (int row_count = 1; row_count < 10; row_count++)...{ // add row to table Aspose.Pdf.Row row = table.Rows.Add(); //...