Сохранение и загрузка, импорт и экспорт

Code:

function Xls_To_StringGrid(AGrid: TStringGrid; AXLSFile: string): Boolean;

const

xlCellTypeLastCell = $0000000B;

var

XLApp, Sheet: OLEVariant;

RangeMatrix: Variant;

x, y, k, r: Integer;

begin

Screen.Cursor:=crAppStart;

Result := False;

XLApp := CreateOleObject('Excel.Application');

try

   XLApp.Visible := False;

   XLApp.Workbooks.Open(AXLSFile);

   Sheet := XLApp.Workbooks[ExtractFileName(AXLSFile)].WorkSheets[1];

   Sheet.Cells.SpecialCells(xlCellTypeLastCell, EmptyParam).Activate;

   x := XLApp.ActiveCell.Row;

   y := XLApp.ActiveCell.Column;

   AGrid.RowCount := x;

   AGrid.ColCount := y; 

   RangeMatrix := XLApp.Range['A1', XLApp.Cells.Item[X, Y]].Value;

   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; 

   RangeMatrix := Unassigned;

finally

   if not VarIsEmpty(XLApp) then

   begin

     XLApp.Quit; 

     XLAPP := Unassigned; 

     Sheet := Unassigned; 

     Result := True; 

   end; 

end;

Screen.Cursor:=crDefault;

end;