var workbook = new XLWorkbook();
var ws = workbook.Worksheets.Add("Inserting and Deleting Rows");

// Range starts with 2 rows
var rng = ws.Range("B2:C3");

// Insert a row above the range
ws.Row(1).InsertRowsBelow(1); // Range starts on B3

// Insert a row in between the range
ws.Row(3).InsertRowsBelow(1); // Range now has 3 rows

// Insert a row (from a range) above the range
ws.Range("B1:C1").InsertRowsBelow(1); // Range starts on B4

// Insert a row (from a range) in between the range
ws.Range("B4:C4").InsertRowsBelow(1); // Range now has 4 rows

// Inserting rows from a range not covering all columns does not affect our defined range
ws.Range("A1:B1").InsertRowsBelow(1);
ws.Range("C4:D4").InsertRowsBelow(1);

// Delete a row above the range
ws.Row(1).Delete(); // Range starts on B3

// Delete a row (from a range) above the range
ws.Range("B1:C1").Delete(XLShiftDeletedCells.ShiftCellsUp); // Range starts on B2

// Delete a row in between the range
ws.Row(3).Delete(); // Range now has 3 rows

// Delete a row (from a range) in between the range
ws.Range("B3:C3").Delete(XLShiftDeletedCells.ShiftCellsUp); // Range now has 2 rows

// Deleting rows from a range not covering all columns does not affect our defined range
ws.Range("A1:B1").Delete(XLShiftDeletedCells.ShiftCellsUp);
ws.Range("C4:D4").Delete(XLShiftDeletedCells.ShiftCellsUp);

rng.Style.Fill.BackgroundColor = XLColor.Orange;

workbook.SaveAs("InsertingAndDeletingRows.xlsx");