test.cs

// Find the first table row on the next page
private TableRow FindFirstTableRowOnNextPage(Table table, TableRow startTableRow = null) {

  if (startTableRow == null) {
    startTableRow = table.Rows.GetItem(1);
  }

  int tableStart = table.Cells.GetItem(startTableRow.Row, 1).Start;
  int tableStartPage = textControl1.GetPages().GetItem(tableStart).Number;

  TableRow row = null;

  // If the table is not across pages,
  for (int i = startTableRow.Row + 1; i <= table.Rows.Count; i++) {
    row = table.Rows.GetItem(i);

    int rowStart = table.Cells.GetItem(row.Row, 1).Start;

    // return the first row on the next page
    if (textControl1.GetPages().GetItem(rowStart).Number > tableStartPage) {
      break;
    }
  }

  return row;
}