Как импортировать данные из Excel в Stringgrid?

uses 
  ComObj; 
 
function Xls_To_StringGrid(AGrid: TStringGrid; AXLSFile: string): Boolean; 
const 
  xlCellTypeLastCell = $0000000B; 
var 
  XLApp, Sheet: OLEVariant; 
  RangeMatrix: Variant; 
  x, y, k, r: Integer; 
begin 
  Result := False; 
  // Create Excel-OLE Object 
  XLApp := CreateOleObject('Excel.Application'); 
  try 
    // Hide Excel 
    XLApp.Visible := False; 
 
    // Open the Workbook 
    XLApp.Workbooks.Open(AXLSFile); 
 
    // Sheet := XLApp.Workbooks[1].WorkSheets[1]; 
    Sheet := XLApp.Workbooks[ExtractFileName(AXLSFile)].WorkSheets[1]; 
 
    // In order to know the dimension of the WorkSheet, i.e the number of rows 
    // and the number of columns, we activate the last non-empty cell of it 
 
    Sheet.Cells.SpecialCells(xlCellTypeLastCell, EmptyParam).Activate; 
    // Get the value of the last row 
    x := XLApp.ActiveCell.Row; 
    // Get the value of the last column 
    y := XLApp.ActiveCell.Column; 
 
    // Set Stringgrid's row &col dimensions. 
 
    AGrid.RowCount := x; 
    AGrid.ColCount := y; 
 
    // Assign the Variant associated with the WorkSheet to the Delphi Variant 
 
    RangeMatrix := XLApp.Range['A1', XLApp.Cells.Item[X, Y]].Value; 
    //  Define the loop for filling in the TStringGrid 
    k := 1; 
    repeat 
      for r := 1 to y do 
        AGrid.Cells[(r - 1), (k - 1)] := RangeMatrix[K, R]; 
      Inc(k, 1); 
      AGrid.RowCount := k + 1; 
    until k > x; 
    // Unassign the Delphi Variant Matrix 
    RangeMatrix := Unassigned; 
 
  finally 
    // Quit Excel 
    if not VarIsEmpty(XLApp) then 
    begin 
      // XLApp.DisplayAlerts := False; 
      XLApp.Quit; 
      XLAPP := Unassigned; 
      Sheet := Unassigned; 
      Result := True; 
    end; 
  end; 
end; 
 
 
procedure TForm1.Button1Click(Sender: TObject); 
begin 
  if Xls_To_StringGrid(StringGrid1, 'C:\Table1.xls') then 
    ShowMessage('Table has been exported!'); 
end; 

Взято с сайта https://www.swissdelphicenter.ch/en/tipsindex.php