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Categories / Delphi / Activex OLE
 

Import an Excel Table to a TStringgrid

Title: import an Excel Table to a TStringgrid? 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;