var wb = new XLWorkbook();

var wsSimple = wb.Worksheets.Add("Simple");
AddTestTable(wsSimple);
var rangeSimple = wsSimple.RangeUsed();
var copySimple = rangeSimple.CopyTo(wsSimple.Column(wsSimple.LastColumnUsed().ColumnNumber() + 3));

copySimple.Sort();

wsSimple.Row(1).InsertRowsAbove(2);
wsSimple.Cell(1, 1).SetValue(".Sort() = Sort Range Top to Bottom, Ascendingly, Ignore Blanks, Ignore Case").Style.Font.SetBold();

var wsSimpleColumn = wb.Worksheets.Add("Simple Column");
AddTestColumn(wsSimpleColumn);
var rangeSimpleColumn = wsSimpleColumn.RangeUsed();
var copySimpleColumn = rangeSimpleColumn.CopyTo(wsSimpleColumn.Column(wsSimpleColumn.LastColumnUsed().ColumnNumber() + 3));

copySimpleColumn.Sort(XLSortOrder.Descending, true);

wsSimpleColumn.Row(1).InsertRowsAbove(2);
wsSimpleColumn.Cell(1, 1)
  .SetValue(".Sort(XLSortOrder.Descending, true) = Sort Range Top to Bottom, Descendingly, Ignore Blanks, Match Case").Style.Font.SetBold();

var wsComplex1 = wb.Worksheets.Add("Complex 1");
AddTestTable(wsComplex1);
var rangeComplex1 = wsComplex1.RangeUsed();
var copyComplex1 = rangeComplex1.CopyTo(wsComplex1.Column(wsComplex1.LastColumnUsed().ColumnNumber() + 3));

copyComplex1.Sort("2, 1 DESC", true);

wsComplex1.Row(1).InsertRowsAbove(2);
wsComplex1.Cell(1, 1)
  .SetValue(".Sort(\"2, 1 DESC\", true) = Sort Range Top to Bottom, Col 2 Asc, Col 1 Desc, Ignore Blanks, Match Case").Style.Font.SetBold();

var wsComplex2 = wb.Worksheets.Add("Complex 2");
AddTestTable(wsComplex2);
var rangeComplex2 = wsComplex2.RangeUsed();
var copyComplex2 = rangeComplex2.CopyTo(wsComplex2.Column(wsComplex2.LastColumnUsed().ColumnNumber() + 3));

copyComplex2.SortColumns.Add(1, XLSortOrder.Ascending, false, true);
copyComplex2.SortColumns.Add(3, XLSortOrder.Descending);
copyComplex2.Sort();

wsComplex2.Row(1).InsertRowsAbove(4);
wsComplex2.Cell(1, 1)
  .SetValue(".SortColumns.Add(1, XLSortOrder.Ascending, false, true) = Sort Col 1 Asc, Match Blanks, Match Case").Style.Font.SetBold();
wsComplex2.Cell(2, 1)
  .SetValue(".SortColumns.Add(3, XLSortOrder.Descending) = Sort Col 3 Desc, Ignore Blanks, Ignore Case").Style.Font.SetBold();
wsComplex2.Cell(3, 1)
  .SetValue(".Sort() = Sort range using the parameters defined in SortColumns").Style.Font.SetBold();

var wsLeftToRight = wb.Worksheets.Add("Sort Left to Right");
AddTestTable(wsLeftToRight);
wsLeftToRight.RangeUsed().Transpose(XLTransposeOptions.MoveCells);
var rangeLeftToRight = wsLeftToRight.RangeUsed();
var copyLeftToRight = rangeLeftToRight.CopyTo(wsLeftToRight.Row(wsLeftToRight.LastRowUsed().RowNumber() + 3));

copyLeftToRight.Sort(XLSortOrientation.LeftToRight);

wsLeftToRight.Row(1).InsertRowsAbove(2);
wsLeftToRight.Cell(1, 1)
  .SetValue(".Sort(XLSortOrientation.LeftToRight) = Sort Range Left to Right, Ascendingly, Ignore Blanks, Ignore Case")
  .Style.Font.SetBold();

var wsTable = wb.Worksheets.Add("Table");
AddTestTable(wsTable);
var header = wsTable.Row(1).InsertRowsAbove(1).First();
for(Int32 co = 1; co <= wsTable.LastColumnUsed().ColumnNumber(); co++)
{
  header.Cell(co).Value = "Column" + co.ToString();
}
var rangeTable = wsTable.RangeUsed();
var table = rangeTable.CopyTo(wsTable.Column(wsTable.LastColumnUsed().ColumnNumber() + 3)).CreateTable();

table.Sort("Column2, Column3 Desc, Column1 ASC");

wsTable.Row(1).InsertRowsAbove(2);
wsTable.Cell(1, 1)
  .SetValue(".Sort(\"Column2, Column3 Desc, Column1 ASC\") = Sort table Top to Bottom, Col 2 Asc, Col 3 Desc, Col 1 Asc, Ignore Blanks, Ignore Case")
  .Style.Font.SetBold();

wb.SaveAs("SortExamples.xlsx");

private void AddTestColumn(IXLWorksheet ws)
{
  ws.Cell("A1").SetValue("B").Style.Fill.SetBackgroundColor(XLColor.LightGreen);
  ws.Cell("A2").SetValue("A").Style.Fill.SetBackgroundColor(XLColor.DarkTurquoise);
  ws.Cell("A3").SetValue("a").Style.Fill.SetBackgroundColor(XLColor.BurlyWood);
  ws.Cell("A4").SetValue("").Style.Fill.SetBackgroundColor(XLColor.DarkGray);
  ws.Cell("A5").SetValue("").Style.Fill.SetBackgroundColor(XLColor.DarkSalmon);
  ws.Cell("A6").SetValue("b").Style.Fill.SetBackgroundColor(XLColor.DodgerBlue);
  ws.Cell("A7").SetValue("B").Style.Fill.SetBackgroundColor(XLColor.IndianRed);
  ws.Cell("A8").SetValue("c").Style.Fill.SetBackgroundColor(XLColor.DeepPink);
}
private void AddTestTable(IXLWorksheet ws)
{
  ws.Cell("A1").SetValue("B").Style.Fill.SetBackgroundColor(XLColor.LightGreen);
  ws.Cell("A2").SetValue("A").Style.Fill.SetBackgroundColor(XLColor.DarkTurquoise);
  ws.Cell("A3").SetValue("a").Style.Fill.SetBackgroundColor(XLColor.BurlyWood);
  ws.Cell("A4").SetValue("A").Style.Fill.SetBackgroundColor(XLColor.DarkGray);
  ws.Cell("A5").SetValue(" ").Style.Fill.SetBackgroundColor(XLColor.DarkSalmon);
  ws.Cell("A6").SetValue("A").Style.Fill.SetBackgroundColor(XLColor.DodgerBlue);
  ws.Cell("A7").SetValue("a").Style.Fill.SetBackgroundColor(XLColor.IndianRed);
  ws.Cell("A8").SetValue("B").Style.Fill.SetBackgroundColor(XLColor.DeepPink);

  ws.Cell("B1").SetValue(" ").Style.Fill.SetBackgroundColor(XLColor.LightGreen);
  ws.Cell("B2").SetValue("a").Style.Fill.SetBackgroundColor(XLColor.DarkTurquoise);
  ws.Cell("B3").SetValue("B").Style.Fill.SetBackgroundColor(XLColor.BurlyWood);
  ws.Cell("B4").SetValue("A").Style.Fill.SetBackgroundColor(XLColor.DarkGray);
  ws.Cell("B5").SetValue("a").Style.Fill.SetBackgroundColor(XLColor.DarkSalmon);
  ws.Cell("B6").SetValue("A").Style.Fill.SetBackgroundColor(XLColor.DodgerBlue);
  ws.Cell("B7").SetValue("a").Style.Fill.SetBackgroundColor(XLColor.IndianRed);
  ws.Cell("B8").SetValue("a").Style.Fill.SetBackgroundColor(XLColor.DeepPink);

  ws.Cell("C1").SetValue("A").Style.Fill.SetBackgroundColor(XLColor.LightGreen);
  ws.Cell("C2").SetValue(" ").Style.Fill.SetBackgroundColor(XLColor.DarkTurquoise);
  ws.Cell("C3").SetValue("A").Style.Fill.SetBackgroundColor(XLColor.BurlyWood);
  ws.Cell("C4").SetValue("a").Style.Fill.SetBackgroundColor(XLColor.DarkGray);
  ws.Cell("C5").SetValue("A").Style.Fill.SetBackgroundColor(XLColor.DarkSalmon);
  ws.Cell("C6").SetValue("b").Style.Fill.SetBackgroundColor(XLColor.DodgerBlue);
  ws.Cell("C7").SetValue("A").Style.Fill.SetBackgroundColor(XLColor.IndianRed);
  ws.Cell("C8").SetValue(" ").Style.Fill.SetBackgroundColor(XLColor.DeepPink);
}